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Implement the “source” command, as requested by some and agreed bsiegert@

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In contrast to AT&T ksh93, its semantics are like GNU bash in that it ap-
pends the current working directory to the search path; it is implemented
as a shell alias instead of enhancing funcs.c:shbuiltins[] like in ksh93.
This commit is contained in:
tg 2007-08-13 19:39:21 +00:00
parent 7381c6c274
commit f684b0ceb1
4 changed files with 27 additions and 7 deletions
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5
check.t
View File

@ -1,4 +1,4 @@
# $MirOS: src/bin/mksh/check.t,v 1.133 2007/08/12 13:42:20 tg Exp $ # $MirOS: src/bin/mksh/check.t,v 1.134 2007/08/13 19:39:19 tg Exp $
# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $ # $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $ # $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $ # $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@ -7,7 +7,7 @@
# http://www.research.att.com/~gsf/public/ifs.sh # http://www.research.att.com/~gsf/public/ifs.sh
expected-stdout: expected-stdout:
@(#)MIRBSD KSH R30 2007/08/12 @(#)MIRBSD KSH R30 2007/08/13
description: description:
Check version of shell. Check version of shell.
category: pdksh category: pdksh
@ -4002,6 +4002,7 @@ expected-stdout:
login='exec login' login='exec login'
nohup='nohup ' nohup='nohup '
r='fc -e -' r='fc -e -'
source='PATH=$PATH:. command .'
stop='kill -STOP' stop='kill -STOP'
suspend='kill -STOP $$' suspend='kill -STOP $$'
type='whence -v' type='whence -v'

3
main.c
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@ -13,7 +13,7 @@
#include <locale.h> #include <locale.h>
#endif #endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.85 2007/08/12 13:42:21 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/main.c,v 1.86 2007/08/13 19:39:19 tg Exp $");
extern char **environ; extern char **environ;
@ -49,6 +49,7 @@ static const char *initcoms_korn[] = {
"history=fc -l", "history=fc -l",
"nohup=nohup ", "nohup=nohup ",
"r=fc -e -", "r=fc -e -",
"source=PATH=$PATH:. command .",
"login=exec login", "login=exec login",
NULL, NULL,
/* this is what at&t ksh seems to track, with the addition of emacs */ /* this is what at&t ksh seems to track, with the addition of emacs */

22
mksh.1
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@ -1,4 +1,4 @@
.\" $MirOS: src/bin/mksh/mksh.1,v 1.95 2007/08/12 14:01:38 tg Exp $ .\" $MirOS: src/bin/mksh/mksh.1,v 1.96 2007/08/13 19:39:20 tg Exp $
.\" $OpenBSD: ksh.1,v 1.120 2007/05/31 20:47:44 otto Exp $ .\" $OpenBSD: ksh.1,v 1.120 2007/05/31 20:47:44 otto Exp $
.\" .\"
.Dd August 12, 2007 .Dd August 12, 2007
@ -2379,6 +2379,9 @@ The following describes the special and regular built-in commands:
.Pp .Pp
.Bl -tag -width Ds -compact .Bl -tag -width Ds -compact
.It Ic \&. Ar file Op Ar arg ... .It Ic \&. Ar file Op Ar arg ...
This is called the
.Dq dot
command.
Execute the commands in Execute the commands in
.Ar file .Ar file
in the current environment. in the current environment.
@ -3487,6 +3490,21 @@ etc.
.Ar number .Ar number
defaults to 1. defaults to 1.
.Pp .Pp
.It Ic source Ar file Op Ar arg ...
Like
.Ic \&. Po Do dot Dc Pc ,
except that the current working directory is appended to the
.Ev PATH
in GNU
.Nm bash
and
.Nm mksh .
In
.Nm ksh93
and
.Nm mksh ,
this is implemented as a shell alias instead of a builtin.
.Pp
.It Ic test Ar expression .It Ic test Ar expression
.It Ic \&[ Ar expression Ic \&] .It Ic \&[ Ar expression Ic \&]
.Ic test .Ic test
@ -5352,7 +5370,7 @@ and many other persons, and is currently maintained by
.An Thorsten Glaser Aq tg@mirbsd.de . .An Thorsten Glaser Aq tg@mirbsd.de .
.Sh BUGS .Sh BUGS
This document attempts to describe This document attempts to describe
.Nm mksh R30b .Nm mksh R31
and up, and up,
compiled without any options impacting functionality, such as compiled without any options impacting functionality, such as
.Dv MKSH_SMALL , .Dv MKSH_SMALL ,

4
sh.h
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@ -8,8 +8,8 @@
/* $OpenBSD: c_test.h,v 1.4 2004/12/20 11:34:26 otto Exp $ */ /* $OpenBSD: c_test.h,v 1.4 2004/12/20 11:34:26 otto Exp $ */
/* $OpenBSD: tty.h,v 1.5 2004/12/20 11:34:26 otto Exp $ */ /* $OpenBSD: tty.h,v 1.5 2004/12/20 11:34:26 otto Exp $ */
#define MKSH_SH_H_ID "$MirOS: src/bin/mksh/sh.h,v 1.169 2007/08/12 13:52:03 tg Exp $" #define MKSH_SH_H_ID "$MirOS: src/bin/mksh/sh.h,v 1.170 2007/08/13 19:39:21 tg Exp $"
#define MKSH_VERSION "R30 2007/08/12" #define MKSH_VERSION "R30 2007/08/13"
#if HAVE_SYS_PARAM_H #if HAVE_SYS_PARAM_H
#include <sys/param.h> #include <sys/param.h>