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commit bash-20160129 snapshot

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Chet Ramey
2016-02-09 09:03:09 -05:00
parent 037a8b7fe4
commit d345f817ff
85 changed files with 7032 additions and 7018 deletions
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doc/bashref.ps
+155 -151
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@@ -1,7 +1,7 @@
%!PS-Adobe-2.0
%%Creator: dvips(k) 5.995 Copyright 2015 Radical Eye Software
%%Title: bashref.dvi
%%CreationDate: Wed Jan 20 13:59:11 2016
%%CreationDate: Mon Jan 25 10:12:29 2016
%%Pages: 177
%%PageOrder: Ascend
%%BoundingBox: 0 0 612 792
@@ -12,7 +12,7 @@
%DVIPSWebPage: (www.radicaleye.com)
%DVIPSCommandLine: dvips -D 600 -t letter -o bashref.ps bashref.dvi
%DVIPSParameters: dpi=600
%DVIPSSource: TeX output 2016.01.20:1359
%DVIPSSource: TeX output 2016.01.25:1012
%%BeginProcSet: tex.pro 0 0
%!
/TeXDict 300 dict def TeXDict begin/N{def}def/B{bind def}N/S{exch}N/X{S
@@ -7518,22 +7518,22 @@ ifelse
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@@ -10155,247 +10155,251 @@ Ft(>)f Fu(and)g(the)h(left)h(paren)m(thesis,)f(otherwise)h(the)f
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%%Page: 31 37
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548 y(The)j Ft(GLOBIGNORE)f Fu(shell)i(v)-5 b(ariable)34
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Fu(is)j(remo)m(v)m(ed)h(from)e(the)i(list)f(of)g(matc)m(hes.)59
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b(Basic)32 b(Shell)e(F)-8 b(eatures)2246 b(31)150 299
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Ft(nocaseglob)d Fu(option)k(is)f(set,)i(the)150 1102
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1096 y(setting)30 b Ft(GLOBIGNORE)d Fu(to)j(a)f(non-n)m(ull)g(v)-5
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(\014lenames)g(b)s(eginning)f(with)h(a)g(`)p Ft(.)p Fu(')g(will)h(matc)
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(ignoring)150 1540 y(\014lenames)c(b)s(eginning)f(with)h(a)h(`)p
Ft(.)p Fu(',)f(mak)m(e)h(`)p Ft(.*)p Fu(')f(one)h(of)f(the)g(patterns)g
(in)g Ft(GLOBIGNORE)p Fu(.)37 b(The)29 b Ft(dotglob)150
1424 y Fu(option)i(is)f(disabled)g(when)g Ft(GLOBIGNORE)d
Fu(is)k(unset.)150 1628 y Fk(3.5.8.1)63 b(P)m(attern)40
b(Matc)m(hing)150 1775 y Fu(An)m(y)24 b(c)m(haracter)h(that)f(app)s
1650 y Fu(option)i(is)f(disabled)g(when)g Ft(GLOBIGNORE)d
Fu(is)k(unset.)150 1835 y Fk(3.5.8.1)63 b(P)m(attern)40
b(Matc)m(hing)150 1982 y Fu(An)m(y)24 b(c)m(haracter)h(that)f(app)s
(ears)f(in)g(a)h(pattern,)i(other)e(than)f(the)h(sp)s(ecial)g(pattern)g
(c)m(haracters)h(describ)s(ed)150 1885 y(b)s(elo)m(w,)31
(c)m(haracters)h(describ)s(ed)150 2092 y(b)s(elo)m(w,)31
b(matc)m(hes)g(itself.)42 b(The)29 b Fm(nul)h Fu(c)m(haracter)i(ma)m(y)
e(not)h(o)s(ccur)f(in)g(a)h(pattern.)40 b(A)31 b(bac)m(kslash)g(escap)s
(es)150 1994 y(the)38 b(follo)m(wing)g(c)m(haracter;)43
(es)150 2201 y(the)38 b(follo)m(wing)g(c)m(haracter;)43
b(the)37 b(escaping)i(bac)m(kslash)e(is)h(discarded)f(when)f(matc)m
(hing.)63 b(The)36 b(sp)s(ecial)150 2104 y(pattern)30
(hing.)63 b(The)36 b(sp)s(ecial)150 2311 y(pattern)30
b(c)m(haracters)i(m)m(ust)f(b)s(e)e(quoted)i(if)f(they)h(are)f(to)i(b)s
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(e)d(matc)m(hed)i(literally)-8 b(.)275 2439 y(The)29
b(sp)s(ecial)i(pattern)g(c)m(haracters)h(ha)m(v)m(e)f(the)g(follo)m
(wing)h(meanings:)150 2410 y Ft(*)432 b Fu(Matc)m(hes)31
(wing)h(meanings:)150 2584 y Ft(*)432 b Fu(Matc)m(hes)31
b(an)m(y)e(string,)h(including)f(the)g(n)m(ull)g(string.)41
b(When)29 b(the)g Ft(globstar)e Fu(shell)i(option)630
2519 y(is)37 b(enabled,)h(and)e(`)p Ft(*)p Fu(')h(is)g(used)f(in)g(a)h
2694 y(is)37 b(enabled,)h(and)e(`)p Ft(*)p Fu(')h(is)g(used)f(in)g(a)h
(\014lename)g(expansion)g(con)m(text,)j(t)m(w)m(o)e(adjacen)m(t)g(`)p
Ft(*)p Fu('s)630 2629 y(used)f(as)g(a)h(single)g(pattern)g(will)f(matc)
Ft(*)p Fu('s)630 2803 y(used)f(as)g(a)h(single)g(pattern)g(will)f(matc)
m(h)i(all)f(\014les)f(and)g(zero)h(or)g(more)f(directories)i(and)630
2738 y(sub)s(directories.)g(If)25 b(follo)m(w)m(ed)j(b)m(y)e(a)g(`)p
2913 y(sub)s(directories.)g(If)25 b(follo)m(w)m(ed)j(b)m(y)e(a)g(`)p
Ft(/)p Fu(',)h(t)m(w)m(o)g(adjacen)m(t)h(`)p Ft(*)p Fu('s)e(will)g
(matc)m(h)h(only)f(directories)630 2848 y(and)k(sub)s(directories.)150
3012 y Ft(?)432 b Fu(Matc)m(hes)32 b(an)m(y)f(single)g(c)m(haracter.)
150 3176 y Ft([...)o(])241 b Fu(Matc)m(hes)27 b(an)m(y)e(one)g(of)g
(matc)m(h)h(only)f(directories)630 3022 y(and)k(sub)s(directories.)150
3168 y Ft(?)432 b Fu(Matc)m(hes)32 b(an)m(y)f(single)g(c)m(haracter.)
150 3313 y Ft([...)o(])241 b Fu(Matc)m(hes)27 b(an)m(y)e(one)g(of)g
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i(separated)e(b)m(y)g(a)630 3286 y(h)m(yphen)k(denotes)i(a)g
i(separated)e(b)m(y)g(a)630 3423 y(h)m(yphen)k(denotes)i(a)g
Fr(range)g(expression)p Fu(;)f(an)m(y)h(c)m(haracter)h(that)f(falls)g
(b)s(et)m(w)m(een)g(those)g(t)m(w)m(o)630 3395 y(c)m(haracters,)d
(b)s(et)m(w)m(een)g(those)g(t)m(w)m(o)630 3533 y(c)m(haracters,)d
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(sequence)e(and)f(c)m(haracter)630 3642 y(set,)31 b(is)f(matc)m(hed.)42
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Ft([)p Fu(')h(is)f(a)h(`)p Ft(!)p Fu(')f(or)g(a)h(`)p
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Ft(^)p Fu(')g(then)f(an)m(y)630 3752 y(c)m(haracter)c(not)f(enclosed)g
(is)g(matc)m(hed.)40 b(A)25 b(`)p Fq(\000)p Fu(')f(ma)m(y)i(b)s(e)e
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(matc)m(hed)h(b)m(y)f(including)h(it)g(as)g(the)630 3861
y(\014rst)32 b(or)h(last)h(c)m(haracter)h(in)e(the)g(set.)50
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(including)g(it)g(as)h(the)630 3971 y(\014rst)25 b(c)m(haracter)i(in)e
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(range)g(expressions)f(is)630 3943 y(determined)h(b)m(y)h(the)g(curren)
(range)g(expressions)f(is)630 4081 y(determined)h(b)m(y)h(the)g(curren)
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Ft(LC_COLLATE)d Fu(and)i Ft(LC_ALL)630 4053 y Fu(shell)31
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Ft(LC_COLLATE)d Fu(and)i Ft(LC_ALL)630 4190 y Fu(shell)31
b(v)-5 b(ariables,)31 b(if)f(set.)630 4318 y(F)-8 b(or)34
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(t)f(b)s(e)f(equiv)-5 b(alen)m(t)630 4647 y(to)34 b(`)p
Ft([aBbCcDdxXyYz])p Fu(',)c(for)j(example.)49 b(T)-8
b(o)33 b(obtain)h(the)f(traditional)h(in)m(terpretation)h(of)630
4628 y(ranges)e(in)f(brac)m(k)m(et)i(expressions,)g(y)m(ou)f(can)g
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(force)g(the)g(use)f(of)h(the)g(C)f(lo)s(cale)i(b)m(y)f(setting)630
4738 y(the)c Ft(LC_COLLATE)e Fu(or)i Ft(LC_ALL)f Fu(en)m(vironmen)m(t)i
4866 y(the)c Ft(LC_COLLATE)e Fu(or)i Ft(LC_ALL)f Fu(en)m(vironmen)m(t)i
(v)-5 b(ariable)30 b(to)g(the)f(v)-5 b(alue)30 b(`)p
Ft(C)p Fu(',)g(or)f(enable)h(the)630 4847 y Ft(globasciiranges)c
Fu(shell)31 b(option.)630 4984 y(Within)23 b(`)p Ft([)p
Ft(C)p Fu(',)g(or)f(enable)h(the)630 4975 y Ft(globasciiranges)c
Fu(shell)31 b(option.)630 5103 y(Within)23 b(`)p Ft([)p
Fu(')h(and)e(`)p Ft(])p Fu(',)j Fr(c)m(haracter)g(classes)j
Fu(can)c(b)s(e)e(sp)s(eci\014ed)h(using)f(the)i(syn)m(tax)f
Ft([:)p Fr(class)t Ft(:])p Fu(,)630 5094 y(where)30 b
Ft([:)p Fr(class)t Ft(:])p Fu(,)630 5212 y(where)30 b
Fr(class)35 b Fu(is)30 b(one)h(of)f(the)h(follo)m(wing)h(classes)f
(de\014ned)e(in)h(the)h Fm(posix)f Fu(standard:)870 5230
(de\014ned)e(in)h(the)h Fm(posix)f Fu(standard:)870 5340
y Ft(alnum)142 b(alpha)g(ascii)f(blank)h(cntrl)g(digit)g(graph)g(lower)
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eop end
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%%Page: 32 38
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(using)g(the)g(syn)m(tax)h Ft([=)p Fr(c)6 b Ft(=])p Fu(,)630
655 y(whic)m(h)29 b(matc)m(hes)i(all)f(c)m(haracters)h(with)e(the)h
(same)g(collation)h(w)m(eigh)m(t)g(\(as)f(de\014ned)e(b)m(y)i(the)630
765 y(curren)m(t)g(lo)s(cale\))j(as)d(the)h(c)m(haracter)h
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Ft(])p Fu(',)j(the)d(syn)m(tax)h Ft([.)p Fr(sym)m(b)s(ol)t
Ft(.])e Fu(matc)m(hes)i(the)g(collating)i(sym)m(b)s(ol)d
Fr(sym)m(b)s(ol)p Fu(.)275 1068 y(If)29 b(the)g Ft(extglob)f
Fu(shell)h(option)h(is)g(enabled)f(using)g(the)h Ft(shopt)e
Fu(builtin,)h(sev)m(eral)i(extended)f(pattern)150 1178
y(matc)m(hing)37 b(op)s(erators)e(are)h(recognized.)58
b(Basic)32 b(Shell)e(F)-8 b(eatures)2246 b(32)870 299
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430 y Fu(A)42 b(c)m(haracter)h(class)f(matc)m(hes)h(an)m(y)f(c)m
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670 y(Within)25 b(`)p Ft([)p Fu(')f(and)g(`)p Ft(])p
Fu(',)i(an)e Fr(equiv)-5 b(alence)26 b(class)j Fu(can)24
b(b)s(e)g(sp)s(eci\014ed)g(using)g(the)g(syn)m(tax)h
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f(c)m(haracters)h(with)e(the)h(same)g(collation)h(w)m(eigh)m(t)g(\(as)f
(de\014ned)e(b)m(y)i(the)630 890 y(curren)m(t)g(lo)s(cale\))j(as)d(the)
h(c)m(haracter)h Fr(c)p Fu(.)630 1021 y(Within)22 b(`)p
Ft([)p Fu(')f(and)g(`)p Ft(])p Fu(',)j(the)d(syn)m(tax)h
Ft([.)p Fr(sym)m(b)s(ol)t Ft(.])e Fu(matc)m(hes)i(the)g(collating)i
(sym)m(b)s(ol)d Fr(sym)m(b)s(ol)p Fu(.)275 1173 y(If)29
b(the)g Ft(extglob)f Fu(shell)h(option)h(is)g(enabled)f(using)g(the)h
Ft(shopt)e Fu(builtin,)h(sev)m(eral)i(extended)f(pattern)150
1283 y(matc)m(hing)37 b(op)s(erators)e(are)h(recognized.)58
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1397 y(more)e(of)f(the)h(follo)m(wing)g(sub-patterns:)150
1564 y Ft(?\()p Fj(pattern-list)p Ft(\))630 1673 y Fu(Matc)m(hes)h
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150 2178 y Ft(+\()p Fj(pattern-list)p Ft(\))630 2288
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(en)i(patterns.)150 2385 y Ft(@\()p Fj(pattern-list)p
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(en)i(patterns.)150 2440 y Ft(@\()p Fj(pattern-list)p
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150 2702 y Ft(!\()p Fj(pattern-list)p Ft(\))630 2811
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(unquoted)f(o)s(ccurrences)h(of)g(the)h(c)m(haracters)g(`)p
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(its)f(input)e(and)h(output)h(ma)m(y)g(b)s(e)f Fr(redirected)k
Fu(using)c(a)i(sp)s(ecial)f(no-)150 3746 y(tation)d(in)m(terpreted)f(b)
Fu(using)c(a)i(sp)s(ecial)f(no-)150 3763 y(tation)d(in)m(terpreted)f(b)
m(y)f(the)h(shell.)40 b(Redirection)27 b(allo)m(ws)h(commands')f
(\014le)f(handles)g(to)i(b)s(e)e(duplicated,)150 3856
(\014le)f(handles)g(to)i(b)s(e)e(duplicated,)150 3873
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(in)g(the)h(curren)m(t)150 4092 y(shell)e(execution)h(en)m(vironmen)m
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(precede)h(or)f(app)s(ear)150 4185 y(an)m(ywhere)30 b(within)f(a)h
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b(Redirections)30 b(are)g(pro)s(cessed)150 4311 y(in)g(the)h(order)f
(they)g(app)s(ear,)g(from)g(left)h(to)g(righ)m(t.)275
4434 y(Eac)m(h)45 b(redirection)h(that)f(ma)m(y)h(b)s(e)e(preceded)g(b)
4442 y(Eac)m(h)45 b(redirection)h(that)f(ma)m(y)h(b)s(e)e(preceded)g(b)
m(y)h(a)h(\014le)f(descriptor)f(n)m(um)m(b)s(er)g(ma)m(y)h(instead)h(b)
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(it)f(to)150 4762 y Fi({)p Fr(v)-5 b(arname)5 b Fi(})p
(it)f(to)150 4771 y Fi({)p Fr(v)-5 b(arname)5 b Fi(})p
Fu(.)45 b(If)31 b Ft(>)p Fu(&-)g(or)h Ft(<)p Fu(&-)f(is)h(preceded)f(b)
m(y)g Fi({)p Fr(v)-5 b(arname)5 b Fi(})p Fu(,)33 b(the)f(v)-5
b(alue)32 b(of)g Fr(v)-5 b(arname)36 b Fu(de\014nes)31
b(the)h(\014le)150 4872 y(descriptor)e(to)h(close.)275
b(the)h(\014le)150 4880 y(descriptor)e(to)h(close.)275
5011 y(In)c(the)i(follo)m(wing)h(descriptions,)g(if)e(the)h(\014le)g
(descriptor)f(n)m(um)m(b)s(er)g(is)g(omitted,)i(and)f(the)f(\014rst)g
(c)m(har-)150 5121 y(acter)42 b(of)f(the)g(redirection)g(op)s(erator)g