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commit bash-20041124 snapshot
This commit is contained in:
Chet Ramey
+190
-187
@@ -10,7 +10,7 @@
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y Ft(If)30 b Fs(set)f(-P)h Ft(is)h(on,)f(then:)1350 2107
|
||||
y Fs($)47 b(cd)h(/usr/sys;)d(echo)i($PWD)1350 2216 y(/usr/local/sys)
|
||||
1350 2326 y($)g(cd)h(..;)f(pwd)1350 2436 y(/usr/local)630
|
||||
2600 y(-T)384 b Ft(If)31 b(set,)h(an)m(y)f(trap)g(on)g
|
||||
Fs(/usr/local/sys)p Ft(')1110 1883 y(then:)1350 2046
|
||||
y Fs($)47 b(cd)h(/usr/sys;)d(echo)i($PWD)1350 2156 y(/usr/sys)1350
|
||||
2266 y($)g(cd)h(..;)f(pwd)1350 2375 y(/usr)1110 2539
|
||||
y Ft(If)30 b Fs(set)f(-P)h Ft(is)h(on,)f(then:)1350 2702
|
||||
y Fs($)47 b(cd)h(/usr/sys;)d(echo)i($PWD)1350 2812 y(/usr/local/sys)
|
||||
1350 2921 y($)g(cd)h(..;)f(pwd)1350 3031 y(/usr/local)630
|
||||
3248 y(-T)384 b Ft(If)31 b(set,)h(an)m(y)f(trap)g(on)g
|
||||
Fs(DEBUG)e Ft(is)i(inherited)g(b)m(y)g(shell)g(functions,)g(command)
|
||||
1110 2710 y(substitutions,)k(and)e(commands)g(executed)i(in)f(a)g
|
||||
(subshell)f(en)m(vironmen)m(t.)1110 2819 y(The)d Fs(DEBUG)f
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||||
1110 3358 y(substitutions,)k(and)e(commands)g(executed)i(in)f(a)g
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||||
(subshell)f(en)m(vironmen)m(t.)1110 3467 y(The)d Fs(DEBUG)f
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||||
Ft(trap)h(is)g(normally)h(not)g(inherited)f(in)g(suc)m(h)g(cases.)630
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||||
2983 y Fs(--)384 b Ft(If)31 b(no)h(argumen)m(ts)f(follo)m(w)i(this)f
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||||
3684 y Fs(--)384 b Ft(If)31 b(no)h(argumen)m(ts)f(follo)m(w)i(this)f
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||||
(option,)g(then)f(the)h(p)s(ositional)h(parameters)1110
|
||||
3093 y(are)h(unset.)49 b(Otherwise,)34 b(the)g(p)s(ositional)g
|
||||
(parameters)g(are)g(set)g(to)g(the)g Fq(ar-)1110 3203
|
||||
3794 y(are)h(unset.)49 b(Otherwise,)34 b(the)g(p)s(ositional)g
|
||||
(parameters)g(are)g(set)g(to)g(the)g Fq(ar-)1110 3904
|
||||
y(gumen)m(ts)p Ft(,)d(ev)m(en)g(if)f(some)h(of)g(them)f(b)s(egin)g
|
||||
(with)g(a)h(`)p Fs(-)p Ft('.)630 3367 y Fs(-)432 b Ft(Signal)45
|
||||
(with)g(a)h(`)p Fs(-)p Ft('.)630 4121 y Fs(-)432 b Ft(Signal)45
|
||||
b(the)g(end)f(of)h(options,)k(cause)c(all)h(remaining)e
|
||||
Fq(argumen)m(ts)49 b Ft(to)d(b)s(e)1110 3477 y(assigned)38
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||||
Fq(argumen)m(ts)49 b Ft(to)d(b)s(e)1110 4230 y(assigned)38
|
||||
b(to)h(the)f(p)s(ositional)h(parameters.)65 b(The)37
|
||||
b(`)p Fs(-x)p Ft(')h(and)g(`)p Fs(-v)p Ft(')g(options)1110
|
||||
3586 y(are)25 b(turned)e(o\013.)40 b(If)24 b(there)h(are)g(no)f
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||||
4340 y(are)25 b(turned)e(o\013.)40 b(If)24 b(there)h(are)g(no)f
|
||||
(argumen)m(ts,)i(the)f(p)s(ositional)h(parameters)1110
|
||||
3696 y(remain)k(unc)m(hanged.)630 3860 y(Using)d(`)p
|
||||
4450 y(remain)k(unc)m(hanged.)630 4667 y(Using)d(`)p
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||||
Fs(+)p Ft(')h(rather)f(than)g(`)p Fs(-)p Ft(')g(causes)h(these)f
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||||
(options)h(to)g(b)s(e)e(turned)g(o\013.)40 b(The)27 b(options)h(can)630
|
||||
3970 y(also)36 b(b)s(e)f(used)f(up)s(on)g(in)m(v)m(o)s(cation)j(of)e
|
||||
4776 y(also)36 b(b)s(e)f(used)f(up)s(on)g(in)m(v)m(o)s(cation)j(of)e
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||||
(the)g(shell.)56 b(The)34 b(curren)m(t)h(set)h(of)f(options)h(ma)m(y)g
|
||||
(b)s(e)630 4079 y(found)29 b(in)h Fs($-)p Ft(.)630 4216
|
||||
(b)s(e)630 4886 y(found)29 b(in)h Fs($-)p Ft(.)630 5049
|
||||
y(The)43 b(remaining)h(N)f Fq(argumen)m(ts)48 b Ft(are)c(p)s(ositional)
|
||||
g(parameters)g(and)f(are)h(assigned,)j(in)630 4326 y(order,)30
|
||||
g(parameters)g(and)f(are)h(assigned,)j(in)630 5159 y(order,)30
|
||||
b(to)h Fs($1)p Ft(,)f Fs($2)p Ft(,)36 b(.)22 b(.)g(.)42
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||||
b Fs($N)p Ft(.)e(The)30 b(sp)s(ecial)h(parameter)g Fs(#)f
|
||||
Ft(is)g(set)h(to)g(N.)630 4463 y(The)f(return)f(status)i(is)f(alw)m(a)m
|
||||
Ft(is)g(set)h(to)g(N.)630 5322 y(The)f(return)f(status)i(is)f(alw)m(a)m
|
||||
(ys)i(zero)f(unless)f(an)g(in)m(v)-5 b(alid)31 b(option)g(is)f
|
||||
(supplied.)150 4732 y Fr(4.4)68 b(Sp)t(ecial)45 b(Builtins)275
|
||||
4981 y Ft(F)-8 b(or)25 b(historical)h(reasons,)g(the)e
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||||
Fl(posix)g Ft(1003.2)j(standard)d(has)g(classi\014ed)h(sev)m(eral)h
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||||
(builtin)e(commands)150 5091 y(as)37 b Fm(sp)-5 b(e)g(cial)p
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||||
Ft(.)60 b(When)36 b(Bash)h(is)g(executing)g(in)f Fl(posix)g
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||||
Ft(mo)s(de,)i(the)f(sp)s(ecial)g(builtins)e(di\013er)i(from)f(other)150
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||||
5201 y(builtin)30 b(commands)g(in)g(three)h(resp)s(ects:)199
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||||
5340 y(1.)61 b(Sp)s(ecial)31 b(builtins)e(are)i(found)e(b)s(efore)h
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(shell)h(functions)f(during)f(command)h(lo)s(okup.)p
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(shell)f(en)m(vironmen)m(t)330 543 y(after)i(the)f(command)h
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(builtin)e(commands.)41 b(The)30 b(Bash)g Fl(posix)g
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Ft(mo)s(de)g(is)g(describ)s(ed)f(in)h(Section)h(6.11)150
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922 y([Bash)g(POSIX)e(Mo)s(de],)i(page)g(76.)275 1056
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y(These)f(are)g(the)h Fl(posix)f Ft(sp)s(ecial)h(builtins:)390
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1191 y Fs(break)46 b(:)i(.)f(continue)f(eval)g(exec)h(exit)g(export)f
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(readonly)f(return)h(set)390 1300 y(shift)g(trap)h(unset)p
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(builtin)e(commands)150 653 y(as)37 b Fm(sp)-5 b(e)g(cial)p
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Ft(mo)s(de,)i(the)f(sp)s(ecial)g(builtins)e(di\013er)i(from)f(other)150
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762 y(builtin)30 b(commands)g(in)g(three)h(resp)s(ects:)199
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897 y(1.)61 b(Sp)s(ecial)31 b(builtins)e(are)i(found)e(b)s(efore)h
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(shell)h(functions)f(during)f(command)h(lo)s(okup.)199
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1031 y(2.)61 b(If)30 b(a)h(sp)s(ecial)g(builtin)f(returns)f(an)h(error)
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g(status,)h(a)g(non-in)m(teractiv)m(e)i(shell)d(exits.)199
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(t)330 1275 y(after)i(the)f(command)h(completes.)275
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b Fb(65)2025 1608 y(susp)r(ending)25 b(jobs)7 b Fc(.)14
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Reference in New Issue
Block a user