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data/builtins.c: tweaks for {exec,redirect} --man (re: 7b82c338)

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src/cmd/ksh93/data/builtins.c:
- sh_optexec[], sh_optdirect[]: Move paragraphs on exit behaviour
  to the EXIT STATUS section, where people would look for them.
- sh_optexec[]: Since we modified b_exec() to support 'redirect',
  add "ksh93" to the credits to avoid blaming AT&T for our changes.
This commit is contained in:
Martijn Dekker 2020-06-18 11:46:59 +02:00
parent 8b51d12f4b
commit 57af42d968
1 changed files with 6 additions and 6 deletions
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12
src/cmd/ksh93/data/builtins.c
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@ -583,7 +583,7 @@ USAGE_LICENSE
;
const char sh_optexec[] =
"[-1c?\n@(#)$Id: exec (AT&T Research) 2020-06-11 $\n]"
"[-1c?\n@(#)$Id: exec (AT&T Research/ksh93) 2020-06-11 $\n]"
USAGE_LICENSE
"[+NAME?exec - execute command, open/close and duplicate file descriptors]"
"[+DESCRIPTION?\bexec\b is a special built-in command that can be used to "
@ -596,9 +596,6 @@ USAGE_LICENSE
"uses the exec mechanism internally whenever possible.]"
"[+?If no operands are specified, \bexec\b can be used to persistently open "
"or close files or manipulate file descriptors as in \bredirect\b(1).]"
"[+?Because \bexec\b is a special command, any failure will cause the "
"script that invokes it to exit. This can be prevented by "
"invoking \bexec\b from the \bcommand\b utility.]"
"[c?Clear all environment variables before executions except variable "
"assignments that are part of the current \bexec\b command.]"
"[a]:[name?\bargv[0]]\b will be set to \aname\a for \acommand\a]"
@ -610,6 +607,9 @@ USAGE_LICENSE
"[+0?All I/O redirections were successful.]"
"[+>0?An error occurred.]"
"}"
"[+?Because \bexec\b is a special built-in command, any failure will cause the "
"script or command line that invokes it to be aborted. This can be "
"prevented by invoking \bexec\b from the \bcommand\b utility.]"
"[+SEE ALSO?\bcommand\b(1), \beval\b(1), \bredirect(1)\b]"
;
@ -1358,8 +1358,6 @@ const char sh_optredirect[] =
"to \b9\b using the standard redirection mechanism available to all "
"commands, with the difference that the effect persists past the "
"execution of the \bredirect\b command.]"
"[+?Unlike \bexec\b(1), \bredirect\b does not abort the script or command "
"line if an error occurs.]"
"[+?Any file descriptor numbers greater than \b2\b that are opened with this "
"mechanism are closed when invoking another program, unless "
"explicitly redirected to themselves as part of that invocation.]"
@ -1372,6 +1370,8 @@ const char sh_optredirect[] =
"[+0?All I/O redirections were successful.]"
"[+>0?An error occurred.]"
"}"
"[+?Unlike \bexec\b(1), \bredirect\b does not abort the script or command "
"line if an error occurs.]"
"[+SEE ALSO?\bexec\b(1)]"
;