summaryrefslogtreecommitdiffstats
path: root/readline-6.2/doc/history_3.ps
diff options
context:
space:
mode:
Diffstat (limited to 'readline-6.2/doc/history_3.ps')
-rw-r--r--readline-6.2/doc/history_3.ps852
1 files changed, 852 insertions, 0 deletions
diff --git a/readline-6.2/doc/history_3.ps b/readline-6.2/doc/history_3.ps
new file mode 100644
index 0000000..c7a87fd
--- /dev/null
+++ b/readline-6.2/doc/history_3.ps
@@ -0,0 +1,852 @@
+%!PS-Adobe-3.0
+%%Creator: groff version 1.19.2
+%%CreationDate: Tue Feb 8 11:13:01 2011
+%%DocumentNeededResources: font Times-Roman
+%%+ font Times-Bold
+%%+ font Times-Italic
+%%DocumentSuppliedResources: procset grops 1.19 2
+%%Pages: 7
+%%PageOrder: Ascend
+%%DocumentMedia: Default 595 842 0 () ()
+%%Orientation: Portrait
+%%EndComments
+%%BeginDefaults
+%%PageMedia: Default
+%%EndDefaults
+%%BeginProlog
+%%BeginResource: procset grops 1.19 2
+%!PS-Adobe-3.0 Resource-ProcSet
+/setpacking where{
+pop
+currentpacking
+true setpacking
+}if
+/grops 120 dict dup begin
+/SC 32 def
+/A/show load def
+/B{0 SC 3 -1 roll widthshow}bind def
+/C{0 exch ashow}bind def
+/D{0 exch 0 SC 5 2 roll awidthshow}bind def
+/E{0 rmoveto show}bind def
+/F{0 rmoveto 0 SC 3 -1 roll widthshow}bind def
+/G{0 rmoveto 0 exch ashow}bind def
+/H{0 rmoveto 0 exch 0 SC 5 2 roll awidthshow}bind def
+/I{0 exch rmoveto show}bind def
+/J{0 exch rmoveto 0 SC 3 -1 roll widthshow}bind def
+/K{0 exch rmoveto 0 exch ashow}bind def
+/L{0 exch rmoveto 0 exch 0 SC 5 2 roll awidthshow}bind def
+/M{rmoveto show}bind def
+/N{rmoveto 0 SC 3 -1 roll widthshow}bind def
+/O{rmoveto 0 exch ashow}bind def
+/P{rmoveto 0 exch 0 SC 5 2 roll awidthshow}bind def
+/Q{moveto show}bind def
+/R{moveto 0 SC 3 -1 roll widthshow}bind def
+/S{moveto 0 exch ashow}bind def
+/T{moveto 0 exch 0 SC 5 2 roll awidthshow}bind def
+/SF{
+findfont exch
+[exch dup 0 exch 0 exch neg 0 0]makefont
+dup setfont
+[exch/setfont cvx]cvx bind def
+}bind def
+/MF{
+findfont
+[5 2 roll
+0 3 1 roll
+neg 0 0]makefont
+dup setfont
+[exch/setfont cvx]cvx bind def
+}bind def
+/level0 0 def
+/RES 0 def
+/PL 0 def
+/LS 0 def
+/MANUAL{
+statusdict begin/manualfeed true store end
+}bind def
+/PLG{
+gsave newpath clippath pathbbox grestore
+exch pop add exch pop
+}bind def
+/BP{
+/level0 save def
+1 setlinecap
+1 setlinejoin
+72 RES div dup scale
+LS{
+90 rotate
+}{
+0 PL translate
+}ifelse
+1 -1 scale
+}bind def
+/EP{
+level0 restore
+showpage
+}def
+/DA{
+newpath arcn stroke
+}bind def
+/SN{
+transform
+.25 sub exch .25 sub exch
+round .25 add exch round .25 add exch
+itransform
+}bind def
+/DL{
+SN
+moveto
+SN
+lineto stroke
+}bind def
+/DC{
+newpath 0 360 arc closepath
+}bind def
+/TM matrix def
+/DE{
+TM currentmatrix pop
+translate scale newpath 0 0 .5 0 360 arc closepath
+TM setmatrix
+}bind def
+/RC/rcurveto load def
+/RL/rlineto load def
+/ST/stroke load def
+/MT/moveto load def
+/CL/closepath load def
+/Fr{
+setrgbcolor fill
+}bind def
+/setcmykcolor where{
+pop
+/Fk{
+setcmykcolor fill
+}bind def
+}if
+/Fg{
+setgray fill
+}bind def
+/FL/fill load def
+/LW/setlinewidth load def
+/Cr/setrgbcolor load def
+/setcmykcolor where{
+pop
+/Ck/setcmykcolor load def
+}if
+/Cg/setgray load def
+/RE{
+findfont
+dup maxlength 1 index/FontName known not{1 add}if dict begin
+{
+1 index/FID ne{def}{pop pop}ifelse
+}forall
+/Encoding exch def
+dup/FontName exch def
+currentdict end definefont pop
+}bind def
+/DEFS 0 def
+/EBEGIN{
+moveto
+DEFS begin
+}bind def
+/EEND/end load def
+/CNT 0 def
+/level1 0 def
+/PBEGIN{
+/level1 save def
+translate
+div 3 1 roll div exch scale
+neg exch neg exch translate
+0 setgray
+0 setlinecap
+1 setlinewidth
+0 setlinejoin
+10 setmiterlimit
+[]0 setdash
+/setstrokeadjust where{
+pop
+false setstrokeadjust
+}if
+/setoverprint where{
+pop
+false setoverprint
+}if
+newpath
+/CNT countdictstack def
+userdict begin
+/showpage{}def
+/setpagedevice{}def
+}bind def
+/PEND{
+countdictstack CNT sub{end}repeat
+level1 restore
+}bind def
+end def
+/setpacking where{
+pop
+setpacking
+}if
+%%EndResource
+%%EndProlog
+%%BeginSetup
+%%BeginFeature: *PageSize Default
+<< /PageSize [ 595 842 ] /ImagingBBox null >> setpagedevice
+%%EndFeature
+%%IncludeResource: font Times-Roman
+%%IncludeResource: font Times-Bold
+%%IncludeResource: font Times-Italic
+grops begin/DEFS 1 dict def DEFS begin/u{.001 mul}bind def end/RES 72
+def/PL 841.89 def/LS false def/ENC0[/asciicircum/asciitilde/Scaron
+/Zcaron/scaron/zcaron/Ydieresis/trademark/quotesingle/Euro/.notdef
+/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef
+/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef
+/.notdef/.notdef/.notdef/space/exclam/quotedbl/numbersign/dollar/percent
+/ampersand/quoteright/parenleft/parenright/asterisk/plus/comma/hyphen
+/period/slash/zero/one/two/three/four/five/six/seven/eight/nine/colon
+/semicolon/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N/O
+/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright/circumflex
+/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u/v/w/x/y
+/z/braceleft/bar/braceright/tilde/.notdef/quotesinglbase/guillemotleft
+/guillemotright/bullet/florin/fraction/perthousand/dagger/daggerdbl
+/endash/emdash/ff/fi/fl/ffi/ffl/dotlessi/dotlessj/grave/hungarumlaut
+/dotaccent/breve/caron/ring/ogonek/quotedblleft/quotedblright/oe/lslash
+/quotedblbase/OE/Lslash/.notdef/exclamdown/cent/sterling/currency/yen
+/brokenbar/section/dieresis/copyright/ordfeminine/guilsinglleft
+/logicalnot/minus/registered/macron/degree/plusminus/twosuperior
+/threesuperior/acute/mu/paragraph/periodcentered/cedilla/onesuperior
+/ordmasculine/guilsinglright/onequarter/onehalf/threequarters
+/questiondown/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE
+/Ccedilla/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex
+/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis
+/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute/Thorn
+/germandbls/agrave/aacute/acircumflex/atilde/adieresis/aring/ae/ccedilla
+/egrave/eacute/ecircumflex/edieresis/igrave/iacute/icircumflex/idieresis
+/eth/ntilde/ograve/oacute/ocircumflex/otilde/odieresis/divide/oslash
+/ugrave/uacute/ucircumflex/udieresis/yacute/thorn/ydieresis]def
+/Times-Italic@0 ENC0/Times-Italic RE/Times-Bold@0 ENC0/Times-Bold RE
+/Times-Roman@0 ENC0/Times-Roman RE
+%%EndSetup
+%%Page: 1 1
+%%BeginPageSetup
+BP
+%%EndPageSetup
+/F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 357.18(Y\(3\) HIST)-.65 F
+(OR)-.18 E(Y\(3\))-.65 E/F1 10.95/Times-Bold@0 SF -.219(NA)72 84 S(ME)
+.219 E F0(history \255 GNU History Library)108 96 Q F1(COPYRIGHT)72
+112.8 Q F0(The GNU History Library is Cop)108 124.8 Q
+(yright \251 1989-2011 by the Free Softw)-.1 E(are F)-.1 E
+(oundation, Inc.)-.15 E F1(DESCRIPTION)72 141.6 Q F0(Man)108 153.6 Q
+2.81(yp)-.15 G .31(rograms read input from the user a line at a time.)
+-2.81 F .309(The GNU History library is able to k)5.309 F .309
+(eep track of)-.1 F .024(those lines, associate arbitrary data with eac\
+h line, and utilize information from pre)108 165.6 R .024
+(vious lines in composing)-.25 F(ne)108 177.6 Q 2.5(wo)-.25 G(nes.)-2.5
+E F1(HIST)72 199.2 Q(OR)-.197 E 2.738(YE)-.383 G(XP)-2.738 E(ANSION)-.81
+E F0 .823(The history library supports a history e)108 211.2 R .822
+(xpansion feature that is identical to the history e)-.15 F .822
+(xpansion in)-.15 F/F2 10/Times-Bold@0 SF(bash.)3.322 E F0
+(This section describes what syntax features are a)108 223.2 Q -.25(va)
+-.2 G(ilable.).25 E 1.305(History e)108 240 R 1.305
+(xpansions introduce w)-.15 F 1.306(ords from the history list into the\
+ input stream, making it easy to repeat)-.1 F .21
+(commands, insert the ar)108 252 R .21(guments to a pre)-.18 F .209
+(vious command into the current input line, or \214x errors in pre)-.25
+F(vious)-.25 E(commands quickly)108 264 Q(.)-.65 E 1.296(History e)108
+280.8 R 1.297(xpansion is usually performed immediately after a complet\
+e line is read.)-.15 F 1.297(It tak)6.297 F 1.297(es place in tw)-.1 F
+(o)-.1 E 2.855(parts. The)108 292.8 R .354(\214rst is to determine whic\
+h line from the history list to use during substitution.)2.855 F .354
+(The second is to)5.354 F .116
+(select portions of that line for inclusion into the current one.)108
+304.8 R .117(The line selected from the history is the)5.116 F/F3 10
+/Times-Italic@0 SF -.15(ev)2.617 G(ent).15 E F0(,)A .846
+(and the portions of that line that are acted upon are)108 316.8 R F3
+(wor)3.346 E(ds)-.37 E F0 5.846(.V)C(arious)-6.956 E F3(modi\214er)3.346
+E(s)-.1 E F0 .846(are a)3.346 F -.25(va)-.2 G .845(ilable to manipulate)
+.25 F .304(the selected w)108 328.8 R 2.804(ords. The)-.1 F .304
+(line is brok)2.804 F .304(en into w)-.1 F .304(ords in the same f)-.1 F
+.304(ashion as)-.1 F F2(bash)2.804 E F0 .305
+(does when reading input, so)2.804 F .539(that se)108 340.8 R -.15(ve)
+-.25 G .539(ral w).15 F .539(ords that w)-.1 F .539
+(ould otherwise be separated are considered one w)-.1 F .538
+(ord when surrounded by quotes)-.1 F .307(\(see the description of)108
+352.8 R F2(history_tok)2.807 E(enize\(\))-.1 E F0(belo)2.807 E 2.807
+(w\). History)-.25 F -.15(ex)2.807 G .307
+(pansions are introduced by the appearance of).15 F .52(the history e)
+108 364.8 R .52(xpansion character)-.15 F 3.02(,w)-.4 G .52(hich is)
+-3.02 F F2(!)3.853 E F0 .52(by def)3.853 F 3.02(ault. Only)-.1 F .52
+(backslash \()3.02 F F2(\\).833 E F0 3.02(\)a).833 G .52
+(nd single quotes can quote the)-3.02 F(history e)108 376.8 Q
+(xpansion character)-.15 E(.)-.55 E F2(Ev)87 393.6 Q(ent Designators)-.1
+E F0 .204(An e)108 405.6 R -.15(ve)-.25 G .204(nt designator is a refer\
+ence to a command line entry in the history list.).15 F .205
+(Unless the reference is abso-)5.204 F(lute, e)108 417.6 Q -.15(ve)-.25
+G(nts are relati).15 E .3 -.15(ve t)-.25 H 2.5(ot).15 G
+(he current position in the history list.)-2.5 E F2(!)108 434.4 Q F0
+(Start a history substitution, e)32.67 E(xcept when follo)-.15 E
+(wed by a)-.25 E F2(blank)2.5 E F0 2.5(,n)C -.25(ew)-2.5 G
+(line, = or \(.).25 E F2(!)108 446.4 Q F3(n)A F0(Refer to command line)
+27.67 E F3(n)2.5 E F0(.).24 E F2<21ad>108 458.4 Q F3(n)A F0
+(Refer to the current command minus)21.97 E F3(n)2.5 E F0(.).24 E F2(!!)
+108 470.4 Q F0(Refer to the pre)29.34 E(vious command.)-.25 E
+(This is a synon)5 E(ym for `!\2551'.)-.15 E F2(!)108 482.4 Q F3(string)
+A F0 .865(Refer to the most recent command preceding the current positi\
+on in the history list starting with)9.33 F F3(string)144 494.4 Q F0(.)
+.22 E F2(!?)108 506.4 Q F3(string)A F2([?])A F0 1.304(Refer to the most\
+ recent command preceding the current postition in the history list con\
+taining)144 518.4 R F3(string)144 530.4 Q F0 5(.T).22 G(he trailing)-5 E
+F2(?)2.5 E F0(may be omitted if)2.5 E F3(string)2.84 E F0(is follo)2.72
+E(wed immediately by a ne)-.25 E(wline.)-.25 E/F4 12/Times-Bold@0 SF(^)
+108 547.4 Q F3(string1)-5 I F4(^)5 I F3(string2)-5 I F4(^)5 I F0 2.63
+(Quick substitution.)144 554.4 R 2.629
+(Repeat the last command, replacing)7.629 F F3(string1)5.469 E F0(with)
+5.129 E F3(string2)5.129 E F0 7.629(.E).02 G(qui)-7.629 E -.25(va)-.25 G
+2.629(lent to).25 F -.74(``)144 566.4 S(!!:s/).74 E F3(string1)A F0(/)A
+F3(string2)A F0(/')A 2.5('\()-.74 G(see)-2.5 E F2(Modi\214ers)2.5 E F0
+(belo)2.5 E(w\).)-.25 E F2(!#)108 578.4 Q F0
+(The entire command line typed so f)27.67 E(ar)-.1 E(.)-.55 E F2 -.75
+(Wo)87 595.2 S(rd Designators).75 E F0 -.8(Wo)108 607.2 S 1.313
+(rd designators are used to select desired w).8 F 1.314(ords from the e)
+-.1 F -.15(ve)-.25 G 3.814(nt. A).15 F F2(:)3.814 E F0 1.314
+(separates the e)3.814 F -.15(ve)-.25 G 1.314(nt speci\214cation).15 F
+.53(from the w)108 619.2 R .529(ord designator)-.1 F 5.529(.I)-.55 G
+3.029(tm)-5.529 G .529(ay be omitted if the w)-3.029 F .529
+(ord designator be)-.1 F .529(gins with a)-.15 F F2(^)3.029 E F0(,)A F2
+($)3.029 E F0(,)A F2(*)3.029 E F0(,)A F2<ad>3.029 E F0 3.029(,o)C(r)
+-3.029 E F2(%)3.029 E F0 5.529(.W)C(ords)-6.329 E 1.3
+(are numbered from the be)108 631.2 R 1.3
+(ginning of the line, with the \214rst w)-.15 F 1.301
+(ord being denoted by 0 \(zero\).)-.1 F -.8(Wo)6.301 G 1.301(rds are).8
+F(inserted into the current line separated by single spaces.)108 643.2 Q
+F2 2.5(0\()108 660 S(zer)-2.5 E(o\))-.18 E F0(The zeroth w)144 672 Q 2.5
+(ord. F)-.1 F(or the shell, this is the command w)-.15 E(ord.)-.1 E F3
+(n)108.36 684 Q F0(The)30.64 E F3(n)2.5 E F0(th w)A(ord.)-.1 E F2(^)108
+696 Q F0(The \214rst ar)32.67 E 2.5(gument. That)-.18 F(is, w)2.5 E
+(ord 1.)-.1 E F2($)108 708 Q F0(The last ar)31 E(gument.)-.18 E
+(GNU History 6.2)72 768 Q(2010 August 12)132.895 E(1)197.055 E 0 Cg EP
+%%Page: 2 2
+%%BeginPageSetup
+BP
+%%EndPageSetup
+/F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 357.18(Y\(3\) HIST)-.65 F
+(OR)-.18 E(Y\(3\))-.65 E/F1 10/Times-Bold@0 SF(%)108 84 Q F0(The w)26 E
+(ord matched by the most recent `?)-.1 E/F2 10/Times-Italic@0 SF(string)
+A F0(?' search.)A F2(x)108.77 96 Q F1<ad>A F2(y)A F0 2.5(Ar)20.65 G
+(ange of w)-2.5 E(ords; `\255)-.1 E F2(y)A F0 2.5('a)C(bbre)-2.5 E
+(viates `0\255)-.25 E F2(y)A F0('.)A F1(*)108 108 Q F0 .316
+(All of the w)31 F .316(ords b)-.1 F .316(ut the zeroth.)-.2 F .315
+(This is a synon)5.315 F .315(ym for `)-.15 F F2(1\255$)A F0 2.815
+('. It)B .315(is not an error to use)2.815 F F1(*)2.815 E F0 .315
+(if there is)2.815 F(just one w)144 120 Q(ord in the e)-.1 E -.15(ve)
+-.25 G(nt; the empty string is returned in that case.).15 E F1(x*)108
+132 Q F0(Abbre)26 E(viates)-.25 E F2(x\255$)2.5 E F0(.)A F1<78ad>108 144
+Q F0(Abbre)25.3 E(viates)-.25 E F2(x\255$)2.5 E F0(lik)2.5 E(e)-.1 E F1
+(x*)2.5 E F0 2.5(,b)C(ut omits the last w)-2.7 E(ord.)-.1 E(If a w)108
+160.8 Q(ord designator is supplied without an e)-.1 E -.15(ve)-.25 G
+(nt speci\214cation, the pre).15 E(vious command is used as the e)-.25 E
+-.15(ve)-.25 G(nt.).15 E F1(Modi\214ers)87 177.6 Q F0 .183
+(After the optional w)108 189.6 R .183(ord designator)-.1 F 2.683(,t)-.4
+G .184(here may appear a sequence of one or more of the follo)-2.683 F
+.184(wing modi\214ers,)-.25 F(each preceded by a `:'.)108 201.6 Q F1(h)
+108 218.4 Q F0(Remo)30.44 E .3 -.15(ve a t)-.15 H
+(railing \214le name component, lea).15 E(ving only the head.)-.2 E F1
+(t)108 230.4 Q F0(Remo)32.67 E .3 -.15(ve a)-.15 H
+(ll leading \214le name components, lea).15 E(ving the tail.)-.2 E F1(r)
+108 242.4 Q F0(Remo)31.56 E .3 -.15(ve a t)-.15 H(railing suf).15 E
+(\214x of the form)-.25 E F2(.xxx)2.5 E F0 2.5(,l)C(ea)-2.5 E
+(ving the basename.)-.2 E F1(e)108 254.4 Q F0(Remo)31.56 E .3 -.15(ve a)
+-.15 H(ll b).15 E(ut the trailing suf)-.2 E(\214x.)-.25 E F1(p)108 266.4
+Q F0(Print the ne)30.44 E 2.5(wc)-.25 G(ommand b)-2.5 E(ut do not e)-.2
+E -.15(xe)-.15 G(cute it.).15 E F1(q)108 278.4 Q F0
+(Quote the substituted w)30.44 E(ords, escaping further substitutions.)
+-.1 E F1(x)108 290.4 Q F0(Quote the substituted w)31 E(ords as with)-.1
+E F1(q)2.5 E F0 2.5(,b)C(ut break into w)-2.7 E(ords at)-.1 E F1(blanks)
+2.5 E F0(and ne)2.5 E(wlines.)-.25 E F1(s/)108 302.4 Q F2(old)A F1(/)A
+F2(ne)A(w)-.15 E F1(/)A F0(Substitute)144 314.4 Q F2(ne)3.082 E(w)-.15 E
+F0 .221(for the \214rst occurrence of)3.032 F F2(old)2.951 E F0 .221
+(in the e)3.491 F -.15(ve)-.25 G .221(nt line.).15 F(An)5.221 E 2.721
+(yd)-.15 G .221(elimiter can be used in place)-2.721 F .616(of /.)144
+326.4 R .617
+(The \214nal delimiter is optional if it is the last character of the e)
+5.616 F -.15(ve)-.25 G .617(nt line.).15 F .617(The delimiter may)5.617
+F .666(be quoted in)144 338.4 R F2(old)3.396 E F0(and)3.936 E F2(ne)
+3.526 E(w)-.15 E F0 .666(with a single backslash.)3.476 F .666
+(If & appears in)5.666 F F2(ne)3.166 E(w)-.15 E F0 3.166(,i).31 G 3.166
+(ti)-3.166 G 3.166(sr)-3.166 G .666(eplaced by)-3.166 F F2(old)3.166 E
+F0 5.666(.A).77 G .274(single backslash will quote the &.)144 350.4 R
+(If)5.274 E F2(old)3.004 E F0 .274(is null, it is set to the last)3.544
+F F2(old)3.005 E F0 .275(substituted, or)3.545 F 2.775(,i)-.4 G 2.775
+(fn)-2.775 G 2.775(op)-2.775 G(re)-2.775 E(vi-)-.25 E
+(ous history substitutions took place, the last)144 362.4 Q F2(string)
+2.84 E F0(in a)2.72 E F1(!?)2.5 E F2(string)A F1([?])A F0(search.)5 E F1
+(&)108 374.4 Q F0(Repeat the pre)27.67 E(vious substitution.)-.25 E F1
+(g)108 386.4 Q F0 .398(Cause changes to be applied o)31 F -.15(ve)-.15 G
+2.898(rt).15 G .398(he entire e)-2.898 F -.15(ve)-.25 G .398(nt line.)
+.15 F .397(This is used in conjunction with `)5.398 F F1(:s)A F0 2.897
+('\()C(e.g.,)-2.897 E(`)144 398.4 Q F1(:gs/)A F2(old)A F1(/)A F2(ne)A(w)
+-.15 E F1(/)A F0 1.218('\) or `)B F1(:&)A F0 3.718('. If)B 1.218
+(used with `)3.718 F F1(:s)A F0 1.218(', an)B 3.718(yd)-.15 G 1.219
+(elimiter can be used in place of /, and the \214nal)-3.718 F .09
+(delimiter is optional if it is the last character of the e)144 410.4 R
+-.15(ve)-.25 G .089(nt line.).15 F(An)5.089 E F1(a)2.589 E F0 .089
+(may be used as a synon)2.589 F .089(ym for)-.15 F F1(g)144 422.4 Q F0
+(.)A F1(G)108 434.4 Q F0(Apply the follo)28.22 E(wing `)-.25 E F1(s)A F0
+2.5('m)C(odi\214er once to each w)-2.5 E(ord in the e)-.1 E -.15(ve)-.25
+G(nt line.).15 E/F3 10.95/Times-Bold@0 SF(PR)72 451.2 Q
+(OGRAMMING WITH HIST)-.329 E(OR)-.197 E 2.738(YF)-.383 G(UNCTIONS)-2.738
+E F0(This section describes ho)108 463.2 Q 2.5(wt)-.25 G 2.5(ou)-2.5 G
+(se the History library in other programs.)-2.5 E F1(Intr)87 480 Q
+(oduction to History)-.18 E F0 .796
+(The programmer using the History library has a)108 492 R -.25(va)-.2 G
+.797(ilable functions for remembering lines on a history list,).25 F
+.308(associating arbitrary data with a line, remo)108 504 R .308
+(ving lines from the list, searching through the list for a line con-)
+-.15 F .303(taining an arbitrary te)108 516 R .303
+(xt string, and referencing an)-.15 F 2.803(yl)-.15 G .303
+(ine in the list directly)-2.803 F 5.303(.I)-.65 G 2.803(na)-5.303 G
+.303(ddition, a history)-2.803 F F2 -.2(ex)2.803 G(pansion).2 E F0
+(function is a)108 528 Q -.25(va)-.2 G(ilable which pro).25 E
+(vides for a consistent user interf)-.15 E(ace across dif)-.1 E
+(ferent programs.)-.25 E .059(The user using programs written with the \
+History library has the bene\214t of a consistent user interf)108 544.8
+R .058(ace with a)-.1 F .917(set of well-kno)108 556.8 R .917
+(wn commands for manipulating the te)-.25 F .917(xt of pre)-.15 F .917
+(vious lines and using that te)-.25 F .917(xt in ne)-.15 F 3.418(wc)-.25
+G(om-)-3.418 E 4.184(mands. The)108 568.8 R 1.684(basic history manipul\
+ation commands are identical to the history substitution pro)4.184 F
+1.683(vided by)-.15 F F1(bash)108 580.8 Q F0(.)A .903
+(If the programmer desires, he can use the Readline library)108 597.6 R
+3.403(,w)-.65 G .904(hich includes some history manipulation by)-3.403 F
+(def)108 609.6 Q(ault, and has the added adv)-.1 E
+(antage of command line editing.)-.25 E .39(Before declaring an)108
+626.4 R 2.89(yf)-.15 G .39(unctions using an)-2.89 F 2.89(yf)-.15 G .39
+(unctionality the History library pro)-2.89 F .39
+(vides in other code, an appli-)-.15 F .066
+(cation writer should include the \214le)108 638.4 R F2(<r)4.232 E
+(eadline/history)-.37 E(.h>)-.55 E F0 .067(in an)4.232 F 2.567<798c>-.15
+G .067(le that uses the History library')-2.567 F 2.567(sf)-.55 G
+(eatures.)-2.567 E .539(It supplies e)108 650.4 R .538
+(xtern declarations for all of the library')-.15 F 3.038(sp)-.55 G .538
+(ublic functions and v)-3.038 F .538(ariables, and declares all of the)
+-.25 F(public data structures.)108 662.4 Q F1(History Storage)87 691.2 Q
+F0(The history list is an array of history entries.)108 703.2 Q 2.5(Ah)5
+G(istory entry is declared as follo)-2.5 E(ws:)-.25 E F2(typedef void *)
+108 720 Q F1(histdata_t;)2.5 E F0(GNU History 6.2)72 768 Q
+(2010 August 12)132.895 E(2)197.055 E 0 Cg EP
+%%Page: 3 3
+%%BeginPageSetup
+BP
+%%EndPageSetup
+/F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 357.18(Y\(3\) HIST)-.65 F
+(OR)-.18 E(Y\(3\))-.65 E(typedef struct _hist_entry {)108 84 Q
+(char *line;)113 96 Q(char *timestamp;)113 108 Q(histdata_t data;)113
+120 Q 2.5(}H)108 132 S(IST_ENTR)-2.5 E -.92(Y;)-.65 G
+(The history list itself might therefore be declared as)108 148.8 Q/F1
+10/Times-Italic@0 SF(HIST_ENTR)108 165.6 Q 2.5(Y*)-.18 G(*)-2.5 E/F2 10
+/Times-Bold@0 SF(the_history_list;)2.5 E F0(The state of the History li\
+brary is encapsulated into a single structure:)108 182.4 Q(/*)108 199.2
+Q 2.5(*As)110.5 211.2 S
+(tructure used to pass around the current state of the history)-2.5 E(.)
+-.65 E(*/)110.5 223.2 Q(typedef struct _hist_state {)108 235.2 Q
+(HIST_ENTR)113 247.2 Q 2.5(Y*)-.65 G
+(*entries; /* Pointer to the entries themselv)-2.5 E(es. */)-.15 E
+(int of)113 259.2 Q 25(fset; /*)-.25 F
+(The location pointer within this array)2.5 E 2.5(.*)-.65 G(/)-2.5 E
+(int length;)113 271.2 Q(/* Number of elements within this array)27.5 E
+2.5(.*)-.65 G(/)-2.5 E(int size;)113 283.2 Q
+(/* Number of slots allocated to this array)32.5 E 2.5(.*)-.65 G(/)-2.5
+E(int \215ags;)113 295.2 Q 2.5(}H)108 307.2 S(IST)-2.5 E(OR)-.18 E(Y_ST)
+-.65 E -1.11(AT)-.93 G(E;)1.11 E(If the \215ags member includes)108 324
+Q F2(HS_STIFLED)2.5 E F0 2.5(,t)C(he history has been sti\215ed.)-2.5 E
+/F3 10.95/Times-Bold@0 SF(History Functions)72 340.8 Q F0
+(This section describes the calling sequence for the v)108 352.8 Q
+(arious functions e)-.25 E(xported by the GNU History library)-.15 E(.)
+-.65 E F2(Initializing History and State Management)87 369.6 Q F0 1.274
+(This section describes functions used to initialize and manage the sta\
+te of the History library when you)108 381.6 R -.1(wa)108 393.6 S
+(nt to use the history functions in your program.).1 E F1(void)108 417.6
+Q F2(using_history)2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E(Be)108
+429.6 Q(gin a session in which the history functions might be used.)-.15
+E(This initializes the interacti)5 E .3 -.15(ve v)-.25 H(ariables.)-.1 E
+F1(HIST)108 453.6 Q(OR)-.18 E(Y_ST)-.18 E -.37(AT)-.5 G 2.5(E*).37 G F2
+(history_get_history_state)A F0(\()4.166 E F1(void)A F0(\))1.666 E
+(Return a structure describing the current state of the input history)
+108 465.6 Q(.)-.65 E F1(void)108 489.6 Q F2(history_set_history_state)
+2.5 E F0(\()4.166 E F1(HIST)A(OR)-.18 E(Y_ST)-.18 E -.37(AT)-.5 G 2.5
+(E*).37 G(state)-2.5 E F0(\))1.666 E
+(Set the state of the history list according to)108 501.6 Q F1(state)2.5
+E F0(.)A F2(History List Management)87 530.4 Q F0
+(These functions manage indi)108 542.4 Q(vidual entries on the history \
+list, or set parameters managing the list itself.)-.25 E F1(void)108
+566.4 Q F2(add_history)2.5 E F0(\()4.166 E F1(const c)A(har *string)-.15
+E F0(\))1.666 E(Place)108 578.4 Q F1(string)2.5 E F0
+(at the end of the history list.)2.5 E
+(The associated data \214eld \(if an)5 E(y\) is set to)-.15 E F2(NULL)
+2.5 E F0(.)A F1(void)108 602.4 Q F2(add_history_time)2.5 E F0(\()4.166 E
+F1(const c)A(har *string)-.15 E F0(\))1.666 E
+(Change the time stamp associated with the most recent history entry to)
+108 614.4 Q F1(string)2.5 E F0(.)A F1(HIST_ENTR)108 638.4 Q 2.5(Y*)-.18
+G F2 -.18(re)C(mo).18 E -.1(ve)-.1 G(_history).1 E F0(\()4.166 E F1
+(int whic)A(h)-.15 E F0(\))1.666 E(Remo)108 650.4 Q .353 -.15(ve h)-.15
+H .053(istory entry at of).15 F(fset)-.25 E F1(whic)2.553 E(h)-.15 E F0
+.053(from the history)2.553 F 5.053(.T)-.65 G .053(he remo)-5.053 F -.15
+(ve)-.15 G 2.553(de).15 G .052(lement is returned so you can free the)
+-2.553 F(line, data, and containing structure.)108 662.4 Q F1
+(histdata_t)108 686.4 Q F2(fr)2.5 E(ee_history_entry)-.18 E F0(\()4.166
+E F1(HIST_ENTR)A 2.5(Y*)-.18 G(histent)-2.5 E F0(\))1.666 E .933
+(Free the history entry)108 698.4 R F1(histent)3.433 E F0 .933(and an)
+3.433 F 3.433(yh)-.15 G .933(istory library pri)-3.433 F -.25(va)-.25 G
+.933(te data associated with it.).25 F .934(Returns the applica-)5.933 F
+(tion-speci\214c data so the caller can dispose of it.)108 710.4 Q
+(GNU History 6.2)72 768 Q(2010 August 12)132.895 E(3)197.055 E 0 Cg EP
+%%Page: 4 4
+%%BeginPageSetup
+BP
+%%EndPageSetup
+/F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 357.18(Y\(3\) HIST)-.65 F
+(OR)-.18 E(Y\(3\))-.65 E/F1 10/Times-Italic@0 SF(HIST_ENTR)108 84 Q 2.5
+(Y*)-.18 G/F2 10/Times-Bold@0 SF -.18(re)C(place_history_entry).18 E F0
+(\()4.166 E F1(int whic)A -.834(h, const)-.15 F -.15(ch)2.5 G(ar *line)
+.15 E 1.666(,h)-.1 G(istdata_t data)-1.666 E F0(\))3.332 E(Mak)108 96 Q
+3.063(et)-.1 G .563(he history entry at of)-3.063 F(fset)-.25 E F1(whic)
+3.063 E(h)-.15 E F0(ha)3.063 E -.15(ve)-.2 G F1(line)3.213 E F0(and)
+3.063 E F1(data)3.063 E F0 5.562(.T)C .562
+(his returns the old entry so the caller can dis-)-5.562 F(pose of an)
+108 108 Q 2.5(ya)-.15 G(pplication-speci\214c data.)-2.5 E
+(In the case of an in)5 E -.25(va)-.4 G(lid).25 E F1(whic)2.5 E(h)-.15 E
+F0 2.5(,a)C F2(NULL)A F0(pointer is returned.)2.5 E F1(void)108 132 Q F2
+(clear_history)2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E
+(Clear the history list by deleting all the entries.)108 144 Q F1(void)
+108 168 Q F2(sti\215e_history)2.5 E F0(\()4.166 E F1(int max)A F0(\))
+1.666 E(Sti\215e the history list, remembering only the last)108 180 Q
+F1(max)2.5 E F0(entries.)2.5 E F1(int)108 204 Q F2(unsti\215e_history)
+2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E .46
+(Stop sti\215ing the history)108 216 R 5.46(.T)-.65 G .46
+(his returns the pre)-5.46 F .46
+(viously-set maximum number of history entries \(as set by)-.25 F F2
+(sti-)2.96 E(\215e_history\(\))108 228 Q F0 2.5(\). history)B -.1(wa)2.5
+G 2.5(ss).1 G 2.5(ti\215ed. The)-2.5 F -.25(va)2.5 G(lue is positi).25 E
+.3 -.15(ve i)-.25 H 2.5(ft).15 G(he history w)-2.5 E(as sti\215ed, ne)
+-.1 E -.05(ga)-.15 G(ti).05 E .3 -.15(ve i)-.25 H 2.5(fi).15 G 2.5(tw)
+-2.5 G(asn')-2.6 E(t.)-.18 E F1(int)108 252 Q F2(history_is_sti\215ed)
+2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E
+(Returns non-zero if the history is sti\215ed, zero if it is not.)108
+264 Q F2(Inf)87 292.8 Q(ormation About the History List)-.25 E F0(These\
+ functions return information about the entire history list or indi)108
+304.8 Q(vidual list entries.)-.25 E F1(HIST_ENTR)108 328.8 Q 2.5(Y*)-.18
+G(*)-2.5 E F2(history_list)2.5 E F0(\()4.166 E F1(void)A F0(\))1.666 E
+.708(Return a)108 340.8 R F2(NULL)3.208 E F0 .708(terminated array of)
+3.208 F F1(HIST_ENTR)3.208 E 3.208(Y*)-.18 G F0 .708
+(which is the current input history)B 5.707(.E)-.65 G .707
+(lement 0 of this)-5.707 F(list is the be)108 352.8 Q(ginning of time.)
+-.15 E(If there is no history)5 E 2.5(,r)-.65 G(eturn)-2.5 E F2(NULL)2.5
+E F0(.)A F1(int)108 376.8 Q F2(wher)2.5 E(e_history)-.18 E F0(\()4.166 E
+F1(void)A F0(\))1.666 E(Returns the of)108 388.8 Q
+(fset of the current history element.)-.25 E F1(HIST_ENTR)108 412.8 Q
+2.5(Y*)-.18 G F2(curr)A(ent_history)-.18 E F0(\()4.166 E F1(void)A F0
+(\))1.666 E 1.373
+(Return the history entry at the current position, as determined by)108
+424.8 R F2(wher)3.873 E(e_history\(\))-.18 E F0 6.373(.I)C 3.873(ft)
+-6.373 G 1.374(here is no entry)-3.873 F(there, return a)108 436.8 Q F2
+(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F1(HIST_ENTR)108 460.8 Q 2.5(Y*)
+-.18 G F2(history_get)A F0(\()4.166 E F1(int of)A(fset)-.18 E F0(\))
+1.666 E .288(Return the history entry at position)108 472.8 R F1(of)
+2.787 E(fset)-.18 E F0 2.787(,s)C .287(tarting from)-2.787 F F2
+(history_base)2.787 E F0 5.287(.I)C 2.787(ft)-5.287 G .287
+(here is no entry there, or if)-2.787 F F1(of)2.787 E(fset)-.18 E F0
+(is greater than the history length, return a)108 484.8 Q F2(NULL)2.5 E
+F0(pointer)2.5 E(.)-.55 E F1(time_t)108 508.8 Q F2(history_get_time)2.5
+E F0(\()4.166 E F1(HIST_ENTR)A 2.5(Y*)-.18 G F0(\))-.834 E(Return the t\
+ime stamp associated with the history entry passed as the ar)108 520.8 Q
+(gument.)-.18 E F1(int)108 544.8 Q F2(history_total_bytes)2.5 E F0(\()
+4.166 E F1(void)A F0(\))1.666 E .391
+(Return the number of bytes that the primary history entries are using.)
+108 556.8 R .392(This function returns the sum of the)5.392 F
+(lengths of all the lines in the history)108 568.8 Q(.)-.65 E F2(Mo)87
+597.6 Q(ving Ar)-.1 E(ound the History List)-.18 E F0
+(These functions allo)108 609.6 Q 2.5(wt)-.25 G(he current inde)-2.5 E
+2.5(xi)-.15 G(nto the history list to be set or changed.)-2.5 E F1(int)
+108 633.6 Q F2(history_set_pos)2.5 E F0(\()4.166 E F1(int pos)A F0(\))
+1.666 E .79(Set the current history of)108 645.6 R .79(fset to)-.25 F F1
+(pos)3.29 E F0 3.29(,a)C 3.29(na)-3.29 G .79(bsolute inde)-3.29 F 3.29
+(xi)-.15 G .79(nto the list.)-3.29 F .79(Returns 1 on success, 0 if)5.79
+F F1(pos)3.29 E F0 .79(is less)3.29 F
+(than zero or greater than the number of history entries.)108 657.6 Q F1
+(HIST_ENTR)108 681.6 Q 2.5(Y*)-.18 G F2(pr)A -.15(ev)-.18 G
+(ious_history).15 E F0(\()4.166 E F1(void)A F0(\))1.666 E .207
+(Back up the current history of)108 693.6 R .207(fset to the pre)-.25 F
+.207(vious history entry)-.25 F 2.708(,a)-.65 G .208
+(nd return a pointer to that entry)-2.708 F 5.208(.I)-.65 G 2.708(ft)
+-5.208 G .208(here is)-2.708 F(no pre)108 705.6 Q(vious entry)-.25 E 2.5
+(,r)-.65 G(eturn a)-2.5 E F2(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F1
+(HIST_ENTR)108 729.6 Q 2.5(Y*)-.18 G F2(next_history)A F0(\()4.166 E F1
+(void)A F0(\))1.666 E(GNU History 6.2)72 768 Q(2010 August 12)132.895 E
+(4)197.055 E 0 Cg EP
+%%Page: 5 5
+%%BeginPageSetup
+BP
+%%EndPageSetup
+/F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 357.18(Y\(3\) HIST)-.65 F
+(OR)-.18 E(Y\(3\))-.65 E(Mo)108 84 Q 1.047 -.15(ve t)-.15 H .747
+(he current history of).15 F .747(fset forw)-.25 F .746(ard to the ne)
+-.1 F .746(xt history entry)-.15 F 3.246(,a)-.65 G .746
+(nd return the a pointer to that entry)-3.246 F 5.746(.I)-.65 G(f)-5.746
+E(there is no ne)108 96 Q(xt entry)-.15 E 2.5(,r)-.65 G(eturn a)-2.5 E
+/F1 10/Times-Bold@0 SF(NULL)2.5 E F0(pointer)2.5 E(.)-.55 E F1(Sear)87
+124.8 Q(ching the History List)-.18 E F0 .005(These functions allo)108
+136.8 R 2.505(ws)-.25 G .006(earching of the history list for entries c\
+ontaining a speci\214c string.)-2.505 F .006(Searching may be)5.006 F
+1.452(performed both forw)108 148.8 R 1.452(ard and backw)-.1 F 1.451
+(ard from the current history position.)-.1 F 1.451(The search may be)
+6.451 F/F2 10/Times-Italic@0 SF(anc)3.951 E(hor)-.15 E(ed)-.37 E F0(,)A
+(meaning that the string must match at the be)108 160.8 Q
+(ginning of the history entry)-.15 E(.)-.65 E F2(int)108 184.8 Q F1
+(history_sear)2.5 E(ch)-.18 E F0(\()4.166 E F2(const c)A(har *string)
+-.15 E 1.666(,i)-.1 G(nt dir)-1.666 E(ection)-.37 E F0(\))1.666 E .155
+(Search the history for)108 196.8 R F2(string)2.655 E F0 2.656(,s)C .156
+(tarting at the current history of)-2.656 F 2.656(fset. If)-.25 F F2
+(dir)2.656 E(ection)-.37 E F0 .156(is less than 0, then the search)2.656
+F .802(is through pre)108 208.8 R .802
+(vious entries, otherwise through subsequent entries.)-.25 F(If)5.801 E
+F2(string)3.301 E F0 .801(is found, then the current his-)3.301 F .064
+(tory inde)108 220.8 R 2.564(xi)-.15 G 2.564(ss)-2.564 G .064
+(et to that history entry)-2.564 F 2.564(,a)-.65 G .064(nd the v)-2.564
+F .064(alue returned is the of)-.25 F .064
+(fset in the line of the entry where)-.25 F F2(string)2.565 E F0 -.1(wa)
+108 232.8 S 2.5(sf).1 G 2.5(ound. Otherwise,)-2.5 F
+(nothing is changed, and a -1 is returned.)2.5 E F2(int)108 256.8 Q F1
+(history_sear)2.5 E(ch_pr)-.18 E(e\214x)-.18 E F0(\()4.166 E F2(const c)
+A(har *string)-.15 E 1.666(,i)-.1 G(nt dir)-1.666 E(ection)-.37 E F0(\))
+1.666 E .684(Search the history for)108 268.8 R F2(string)3.183 E F0
+3.183(,s)C .683(tarting at the current history of)-3.183 F 3.183
+(fset. The)-.25 F .683(search is anchored: matching lines)3.183 F 1.063
+(must be)108 280.8 R 1.063(gin with)-.15 F F2(string)3.563 E F0 6.063
+(.I)C(f)-6.063 E F2(dir)3.563 E(ection)-.37 E F0 1.064
+(is less than 0, then the search is through pre)3.563 F 1.064
+(vious entries, otherwise)-.25 F 1.115(through subsequent entries.)108
+292.8 R(If)6.115 E F2(string)3.615 E F0 1.115
+(is found, then the current history inde)3.615 F 3.614(xi)-.15 G 3.614
+(ss)-3.614 G 1.114(et to that entry)-3.614 F 3.614(,a)-.65 G 1.114
+(nd the)-3.614 F(return v)108 304.8 Q(alue is 0.)-.25 E
+(Otherwise, nothing is changed, and a -1 is returned.)5 E F2(int)108
+328.8 Q F1(history_sear)2.5 E(ch_pos)-.18 E F0(\()4.166 E F2(const c)A
+(har *string)-.15 E 1.666(,i)-.1 G(nt dir)-1.666 E -.834(ection, int)
+-.37 F(pos)2.5 E F0(\))3.332 E .603(Search for)108 340.8 R F2(string)
+3.103 E F0 .603(in the history list, starting at)3.103 F F2(pos)3.104 E
+F0 3.104(,a)C 3.104(na)-3.104 G .604(bsolute inde)-3.104 F 3.104(xi)-.15
+G .604(nto the list.)-3.104 F(If)5.604 E F2(dir)3.104 E(ection)-.37 E F0
+.604(is ne)3.104 F -.05(ga)-.15 G(ti).05 E -.15(ve)-.25 G(,).15 E .608
+(the search proceeds backw)108 352.8 R .608(ard from)-.1 F F2(pos)3.108
+E F0 3.108(,o)C .608(therwise forw)-3.108 F 3.108(ard. Returns)-.1 F
+.608(the absolute inde)3.108 F 3.108(xo)-.15 G 3.108(ft)-3.108 G .608
+(he history ele-)-3.108 F(ment where)108 364.8 Q F2(string)2.5 E F0 -.1
+(wa)2.5 G 2.5(sf).1 G(ound, or -1 otherwise.)-2.5 E F1
+(Managing the History File)87 393.6 Q F0 .035(The History library can r\
+ead the history from and write it to a \214le.)108 405.6 R .036
+(This section documents the functions for)5.035 F
+(managing a history \214le.)108 417.6 Q F2(int)108 441.6 Q F1 -.18(re)
+2.5 G(ad_history).18 E F0(\()4.166 E F2(const c)A(har *\214lename)-.15 E
+F0(\))1.666 E .151(Add the contents of)108 453.6 R F2(\214lename)2.651 E
+F0 .151(to the history list, a line at a time.)2.651 F(If)5.15 E F2
+(\214lename)2.65 E F0(is)2.65 E F1(NULL)2.65 E F0 2.65(,t)C .15
+(hen read from)-2.65 F F2(~/.his-)2.65 E(tory)108 465.6 Q F0 5(.R)C
+(eturns 0 if successful, or)-5 E F1(err)2.5 E(no)-.15 E F0(if not.)2.5 E
+F2(int)108 489.6 Q F1 -.18(re)2.5 G(ad_history_range).18 E F0(\()4.166 E
+F2(const c)A(har *\214lename)-.15 E 1.666(,i)-.1 G(nt fr)-1.666 E -.834
+(om, int)-.45 F(to)2.5 E F0(\))3.332 E .052(Read a range of lines from)
+108 501.6 R F2(\214lename)2.553 E F0 2.553(,a)C .053
+(dding them to the history list.)-2.553 F .053(Start reading at line)
+5.053 F F2(fr)2.553 E(om)-.45 E F0 .053(and end at)2.553 F F2(to)2.553 E
+F0(.)A(If)108 513.6 Q F2(fr)2.889 E(om)-.45 E F0 .389
+(is zero, start at the be)2.889 F 2.889(ginning. If)-.15 F F2(to)2.889 E
+F0 .389(is less than)2.889 F F2(fr)2.889 E(om)-.45 E F0 2.889(,t)C .388
+(hen read until the end of the \214le.)-2.889 F(If)5.388 E F2
+(\214lename)2.888 E F0(is)108 525.6 Q F1(NULL)2.5 E F0 2.5(,t)C
+(hen read from)-2.5 E F2(~/.history)2.5 E F0 5(.R)C
+(eturns 0 if successful, or)-5 E F1(err)2.5 E(no)-.15 E F0(if not.)2.5 E
+F2(int)108 549.6 Q F1(write_history)2.5 E F0(\()4.166 E F2(const c)A
+(har *\214lename)-.15 E F0(\))1.666 E .961(Write the current history to)
+108 561.6 R F2(\214lename)3.461 E F0 3.461(,o)C -.15(ve)-3.611 G
+(rwriting).15 E F2(\214lename)3.461 E F0 .961(if necessary)3.461 F 5.961
+(.I)-.65 G(f)-5.961 E F2(\214lename)3.462 E F0(is)3.462 E F1(NULL)3.462
+E F0 3.462(,t)C .962(hen write)-3.462 F(the history list to)108 573.6 Q
+F2(~/.history)2.5 E F0 5(.R)C(eturns 0 on success, or)-5 E F1(err)2.5 E
+(no)-.15 E F0(on a read or write error)2.5 E(.)-.55 E F2(int)108 609.6 Q
+F1(append_history)2.5 E F0(\()4.166 E F2(int nelements,)A(const c)1.666
+E(har *\214lename)-.15 E F0(\))1.666 E .839(Append the last)108 621.6 R
+F2(nelements)3.339 E F0 .839(of the history list to)3.339 F F2
+(\214lename)3.339 E F0 5.839(.I)C(f)-5.839 E F2(\214lename)3.339 E F0
+(is)3.339 E F1(NULL)3.339 E F0 3.339(,t)C .838(hen append to)-3.339 F F2
+(~/.history)3.338 E F0(.)A(Returns 0 on success, or)108 633.6 Q F1(err)
+2.5 E(no)-.15 E F0(on a read or write error)2.5 E(.)-.55 E F2(int)108
+657.6 Q F1(history_truncate_\214le)2.5 E F0(\()4.166 E F2(const c)A
+(har *\214lename)-.15 E 1.666(,i)-.1 G(nt nlines)-1.666 E F0(\))1.666 E
+-.35(Tr)108 669.6 S .38(uncate the history \214le).35 F F2(\214lename)
+2.88 E F0 2.88(,l)C(ea)-2.88 E .38(ving only the last)-.2 F F2(nlines)
+2.881 E F0 2.881(lines. If)2.881 F F2(\214lename)2.881 E F0(is)2.881 E
+F1(NULL)2.881 E F0 2.881(,t)C(hen)-2.881 E F2(~/.history)2.881 E F0(is)
+2.881 E 2.5(truncated. Returns)108 681.6 R 2.5(0o)2.5 G 2.5(ns)-2.5 G
+(uccess, or)-2.5 E F1(err)2.5 E(no)-.15 E F0(on f)2.5 E(ailure.)-.1 E
+(GNU History 6.2)72 768 Q(2010 August 12)132.895 E(5)197.055 E 0 Cg EP
+%%Page: 6 6
+%%BeginPageSetup
+BP
+%%EndPageSetup
+/F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 357.18(Y\(3\) HIST)-.65 F
+(OR)-.18 E(Y\(3\))-.65 E/F1 10/Times-Bold@0 SF(History Expansion)87 84 Q
+F0(These functions implement history e)108 96 Q(xpansion.)-.15 E/F2 10
+/Times-Italic@0 SF(int)108 120 Q F1(history_expand)2.5 E F0(\()4.166 E
+F2 -.15(ch)C(ar *string).15 E 1.666(,c)-.1 G(har **output)-1.816 E F0
+(\))1.666 E(Expand)108 132 Q F2(string)2.5 E F0 2.5(,p)C
+(lacing the result into)-2.5 E F2(output)2.5 E F0 2.5(,ap)C
+(ointer to a string.)-2.5 E(Returns:)5 E 31(0I)144 144 S 3.066(fn)-31 G
+3.066(oe)-3.066 G .566(xpansions took place \(or)-3.216 F 3.065(,i)-.4 G
+3.065(ft)-3.065 G .565(he only change in the te)-3.065 F .565(xt w)-.15
+F .565(as the remo)-.1 F -.25(va)-.15 G 3.065(lo).25 G 3.065(fe)-3.065 G
+(scape)-3.065 E(characters preceding the history e)180 156 Q
+(xpansion character\);)-.15 E 31(1i)144 168 S 2.5(fe)-31 G
+(xpansions did tak)-2.65 E 2.5(ep)-.1 G(lace;)-2.5 E 25.17(-1 if)144 180
+R(there w)2.5 E(as an error in e)-.1 E(xpansion;)-.15 E 31(2i)144 192 S
+2.5(ft)-31 G(he returned line should be displayed, b)-2.5 E(ut not e)-.2
+E -.15(xe)-.15 G(cuted, as with the).15 E F1(:p)2.5 E F0(modi\214er)2.5
+E(.)-.55 E(If an error ocurred in e)108 204 Q(xpansion, then)-.15 E F2
+(output)2.5 E F0(contains a descripti)2.5 E .3 -.15(ve e)-.25 H
+(rror message.).15 E F2 -.15(ch)108 228 S(ar *).15 E F1(get_history_e)
+2.5 E -.1(ve)-.15 G(nt).1 E F0(\()4.166 E F2(const c)A(har *string)-.15
+E 1.666(,i)-.1 G(nt *cinde)-1.666 E -.834(x, int)-.2 F(qc)2.5 E(har)-.15
+E F0(\))3.332 E .262(Returns the te)108 240 R .262(xt of the history e)
+-.15 F -.15(ve)-.25 G .262(nt be).15 F .263(ginning at)-.15 F F2(string)
+2.763 E F0(+)2.763 E F2(*cinde)2.763 E(x)-.2 E F0(.)A F2(*cinde)5.263 E
+(x)-.2 E F0 .263(is modi\214ed to point to after the)2.763 F -2.15 -.25
+(ev e)108 252 T .71(nt speci\214er).25 F 5.71(.A)-.55 G 3.21(tf)-5.71 G
+.71(unction entry)-3.21 F(,)-.65 E F2(cinde)3.21 E(x)-.2 E F0 .709
+(points to the inde)3.21 F 3.209(xi)-.15 G(nto)-3.209 E F2(string)3.209
+E F0 .709(where the history e)3.209 F -.15(ve)-.25 G .709
+(nt speci\214ca-).15 F .527(tion be)108 264 R(gins.)-.15 E F2(qc)5.527 E
+(har)-.15 E F0 .527(is a character that is allo)3.027 F .527
+(wed to end the e)-.25 F -.15(ve)-.25 G .528
+(nt speci\214cation in addition to the `).15 F(`normal')-.74 E(')-.74 E
+(terminating characters.)108 276 Q F2 -.15(ch)108 300 S(ar **).15 E F1
+(history_tok)2.5 E(enize)-.1 E F0(\()4.166 E F2(const c)A(har *string)
+-.15 E F0(\))1.666 E .239(Return an array of tok)108 312 R .239
+(ens parsed out of)-.1 F F2(string)2.739 E F0 2.739(,m)C .238
+(uch as the shell might.)-2.739 F .238(The tok)5.238 F .238
+(ens are split on the charac-)-.1 F(ters in the)108 324 Q F1(history_w)
+2.5 E(ord_delimiters)-.1 E F0 -.25(va)2.5 G
+(riable, and shell quoting con).25 E -.15(ve)-.4 G(ntions are obe).15 E
+(yed.)-.15 E F2 -.15(ch)108 348 S(ar *).15 E F1(history_ar)2.5 E
+(g_extract)-.1 E F0(\()4.166 E F2(int \214r)A -.834(st, int)-.1 F -.834
+(last, const)2.5 F -.15(ch)2.5 G(ar *string).15 E F0(\))3.332 E .025
+(Extract a string se)108 360 R .025(gment consisting of the)-.15 F F2
+<8c72>2.526 E(st)-.1 E F0(through)2.526 E F2(last)2.526 E F0(ar)2.526 E
+.026(guments present in)-.18 F F2(string)2.526 E F0 5.026(.A)C -.18(rg)
+-5.026 G .026(uments are split).18 F(using)108 372 Q F1(history_tok)2.5
+E(enize\(\))-.1 E F0(.)A F1(History V)87 400.8 Q(ariables)-.92 E F0
+(This section describes the e)108 412.8 Q(xternally-visible v)-.15 E
+(ariables e)-.25 E(xported by the GNU History Library)-.15 E(.)-.65 E F2
+(int)108 436.8 Q F1(history_base)2.5 E F0(The logical of)108 448.8 Q
+(fset of the \214rst entry in the history list.)-.25 E F2(int)108 472.8
+Q F1(history_length)2.5 E F0
+(The number of entries currently stored in the history list.)108 484.8 Q
+F2(int)108 508.8 Q F1(history_max_entries)2.5 E F0
+(The maximum number of history entries.)108 520.8 Q
+(This must be changed using)5 E F1(sti\215e_history\(\))2.5 E F0(.)A F2
+(int)108 544.8 Q F1(history_wite_timestamps)2.5 E F0 1.468
+(If non-zero, timestamps are written to the history \214le, so the)108
+556.8 R 3.968(yc)-.15 G 1.468(an be preserv)-3.968 F 1.468
+(ed between sessions.)-.15 F(The)6.468 E(def)108 568.8 Q .438(ault v)-.1
+F .439(alue is 0, meaning that timestamps are not sa)-.25 F -.15(ve)-.2
+G 2.939(d. The).15 F .439(current timestamp format uses the v)2.939 F
+.439(alue of)-.25 F F2(history_comment_c)108 580.8 Q(har)-.15 E F0 .051
+(to delimit timestamp entries in the history \214le.)2.552 F .051
+(If that v)5.051 F .051(ariable does not ha)-.25 F .351 -.15(ve a v)-.2
+H(alue)-.1 E(\(the def)108 592.8 Q
+(ault\), timestamps will not be written.)-.1 E F2 -.15(ch)108 616.8 S
+(ar).15 E F1(history_expansion_char)2.5 E F0
+(The character that introduces a history e)108 628.8 Q -.15(ve)-.25 G
+2.5(nt. The).15 F(def)2.5 E(ault is)-.1 E F1(!)2.5 E F0 5(.S)C
+(etting this to 0 inhibits history e)-5 E(xpansion.)-.15 E F2 -.15(ch)
+108 652.8 S(ar).15 E F1(history_subst_char)2.5 E F0
+(The character that in)108 664.8 Q -.2(vo)-.4 G -.1(ke).2 G 2.5(sw).1 G
+(ord substitution if found at the start of a line.)-2.6 E(The def)5 E
+(ault is)-.1 E F1(^)2.5 E F0(.)A F2 -.15(ch)108 688.8 S(ar).15 E F1
+(history_comment_char)2.5 E F0 .116(During tok)108 700.8 R .117
+(enization, if this character is seen as the \214rst character of a w)
+-.1 F .117(ord, then it and all subsequent char)-.1 F(-)-.2 E .277
+(acters up to a ne)108 712.8 R .276
+(wline are ignored, suppressing history e)-.25 F .276
+(xpansion for the remainder of the line.)-.15 F .276(This is dis-)5.276
+F(abled by def)108 724.8 Q(ault.)-.1 E(GNU History 6.2)72 768 Q
+(2010 August 12)132.895 E(6)197.055 E 0 Cg EP
+%%Page: 7 7
+%%BeginPageSetup
+BP
+%%EndPageSetup
+/F0 10/Times-Roman@0 SF(HIST)72 48 Q(OR)-.18 E 357.18(Y\(3\) HIST)-.65 F
+(OR)-.18 E(Y\(3\))-.65 E/F1 10/Times-Italic@0 SF -.15(ch)108 84 S(ar *)
+.15 E/F2 10/Times-Bold@0 SF(history_w)2.5 E(ord_delimiters)-.1 E F0
+(The characters that separate tok)108 96 Q(ens for)-.1 E F2(history_tok)
+2.5 E(enize\(\))-.1 E F0 5(.T)C(he def)-5 E(ault v)-.1 E(alue is)-.25 E
+F2 2.5("\\)2.5 G(t\\n\(\)<>;&|")-2.5 E F0(.)A F1 -.15(ch)108 120 S(ar *)
+.15 E F2(history_no_expand_chars)2.5 E F0 2.054
+(The list of characters which inhibit history e)108 132 R 2.054
+(xpansion if found immediately follo)-.15 F(wing)-.25 E F2
+(history_expan-)4.555 E(sion_char)108 144 Q F0 5(.T)C(he def)-5 E
+(ault is space, tab, ne)-.1 E(wline,)-.25 E F2(\\r)2.5 E F0 2.5(,a)C(nd)
+-2.5 E F2(=)2.5 E F0(.)A F1 -.15(ch)108 168 S(ar *).15 E F2
+(history_sear)2.5 E(ch_delimiter_chars)-.18 E F0 .401(The list of addit\
+ional characters which can delimit a history search string, in addition\
+ to space, tab,)108 180 R F1(:)2.901 E F0(and)2.901 E F1(?)2.901 E F0
+(in the case of a substring search.)108 192 Q(The def)5 E(ault is empty)
+-.1 E(.)-.65 E F1(int)108 216 Q F2(history_quotes_inhibit_expansion)2.5
+E F0 .624(If non-zero, single-quoted w)108 228 R .625
+(ords are not scanned for the history e)-.1 F .625(xpansion character)
+-.15 F 5.625(.T)-.55 G .625(he def)-5.625 F .625(ault v)-.1 F .625
+(alue is)-.25 F(0.)108 240 Q F1(rl_lineb)108 264 Q(uf_func_t *)-.2 E F2
+(history_inhibit_expansion_function)2.5 E F0 .348
+(This should be set to the address of a function that tak)108 276 R .348
+(es tw)-.1 F 2.848(oa)-.1 G -.18(rg)-2.848 G .347(uments: a).18 F F2
+.347(char *)2.847 F F0(\()2.847 E F1(string)A F0 2.847(\)a)C .347(nd an)
+-2.847 F F2(int)2.847 E F0(inde)2.847 E(x)-.15 E .227
+(into that string \()108 288 R F1(i)A F0 2.727(\). It)B .227
+(should return a non-zero v)2.727 F .227(alue if the history e)-.25 F
+.227(xpansion starting at)-.15 F F1(string[i])2.728 E F0 .228
+(should not)2.728 F .019(be performed; zero if the e)108 300 R .019
+(xpansion should be done.)-.15 F .019
+(It is intended for use by applications lik)5.019 F(e)-.1 E F2(bash)
+2.519 E F0 .018(that use)2.519 F(the history e)108 312 Q
+(xpansion character for additional purposes.)-.15 E(By def)5 E
+(ault, this v)-.1 E(ariable is set to)-.25 E F2(NULL)2.5 E F0(.)A/F3
+10.95/Times-Bold@0 SF(FILES)72 328.8 Q F1(~/.history)109.666 340.8 Q F0
+(Def)144 352.8 Q(ault \214lename for reading and writing sa)-.1 E -.15
+(ve)-.2 G 2.5(dh).15 G(istory)-2.5 E F3(SEE ALSO)72 369.6 Q F1
+(The Gnu Readline Libr)108 381.6 Q(ary)-.15 E F0 2.5(,B)C(rian F)-2.5 E
+(ox and Chet Rame)-.15 E(y)-.15 E F1(The Gnu History Libr)108 393.6 Q
+(ary)-.15 E F0 2.5(,B)C(rian F)-2.5 E(ox and Chet Rame)-.15 E(y)-.15 E
+F1(bash)108 405.6 Q F0(\(1\))A F1 -.37(re)108 417.6 S(adline).37 E F0
+(\(3\))A F3 -.548(AU)72 434.4 S(THORS).548 E F0(Brian F)108 446.4 Q
+(ox, Free Softw)-.15 E(are F)-.1 E(oundation)-.15 E(bfox@gnu.or)108
+458.4 Q(g)-.18 E(Chet Rame)108 475.2 Q 1.3 -.65(y, C)-.15 H(ase W).65 E
+(estern Reserv)-.8 E 2.5(eU)-.15 G(ni)-2.5 E -.15(ve)-.25 G(rsity).15 E
+(chet@ins.CWR)108 487.2 Q(U.Edu)-.4 E F3 -.11(BU)72 504 S 2.738(GR).11 G
+(EPOR)-2.738 E(TS)-.438 E F0 .16(If you \214nd a b)108 516 R .16
+(ug in the)-.2 F F2(history)2.66 E F0(library)2.66 E 2.66(,y)-.65 G .16
+(ou should report it.)-2.66 F .16(But \214rst, you should mak)5.16 F
+2.66(es)-.1 G .16(ure that it really is)-2.66 F 2.5(ab)108 528 S
+(ug, and that it appears in the latest v)-2.7 E(ersion of the)-.15 E F2
+(history)2.5 E F0(library that you ha)2.5 E -.15(ve)-.2 G(.).15 E .705
+(Once you ha)108 544.8 R 1.005 -.15(ve d)-.2 H .705(etermined that a b)
+.15 F .704(ug actually e)-.2 F .704(xists, mail a b)-.15 F .704
+(ug report to)-.2 F F1 -.2(bu)3.204 G(g\255r).2 E(eadline)-.37 E F0(@)A
+F1(gnu.or)A(g)-.37 E F0 5.704(.I)C 3.204(fy)-5.704 G(ou)-3.204 E(ha)108
+556.8 Q 1.809 -.15(ve a \214)-.2 H 1.509
+(x, you are welcome to mail that as well!).15 F 1.51
+(Suggestions and `philosophical' b)6.51 F 1.51(ug reports may be)-.2 F
+(mailed to)108 568.8 Q F1 -.2(bu)2.5 G(g-r).2 E(eadline)-.37 E F0(@)A F1
+(gnu.or)A(g)-.37 E F0(or posted to the Usenet ne)2.5 E(wsgroup)-.25 E F2
+(gnu.bash.b)2.5 E(ug)-.2 E F0(.)A(Comments and b)108 585.6 Q
+(ug reports concerning this manual page should be directed to)-.2 E F1
+-.15(ch)2.5 G(et@ins.CWR).15 E -.25(U.)-.4 G(Edu).25 E F0(.).25 E
+(GNU History 6.2)72 768 Q(2010 August 12)132.895 E(7)197.055 E 0 Cg EP
+%%Trailer
+end
+%%EOF