Date: Sat, 30 Oct 2004 01:56:21 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: tjr@freebsd.org, ru@freebsd.org Cc: doc@freebsd.org Subject: sh(1) patch Message-ID: <20041030085621.GZ24892@elvis.mu.org>
next in thread | raw e-mail | index | archive | help
I always find it kind of difficult to find the $foo special operators under the manpage for sh(1) because they are not listed in a way that allows easy search. Would this patch be acceptable? Index: sh.1 =================================================================== RCS file: /home/ncvs/src/bin/sh/sh.1,v retrieving revision 1.92 diff -u -r1.92 sh.1 --- sh.1 3 Jul 2004 02:03:44 -0000 1.92 +++ sh.1 30 Oct 2004 08:54:52 -0000 @@ -952,7 +952,7 @@ The value of the parameter is listed next to its character. .Bl -hang -.It Li * +.It Li $* Expands to the positional parameters, starting from one. When the expansion occurs within a double-quoted string @@ -965,7 +965,7 @@ if .Ev IFS is unset. -.It Li @ +.It Li $@ Expands to the positional parameters, starting from one. When the expansion occurs within double-quotes, each positional @@ -988,26 +988,26 @@ .Bd -literal -offset indent "abc" "def ghi" .Ed -.It Li # +.It Li $# Expands to the number of positional parameters. -.It Li \&? +.It Li $\&? Expands to the exit status of the most recent pipeline. -.It Li - +.It Li $- (hyphen) Expands to the current option flags (the single-letter option names concatenated into a string) as specified on invocation, by the set built-in command, or implicitly by the shell. -.It Li $ +.It Li $$ Expands to the process ID of the invoked shell. A subshell retains the same value of $ as its parent. -.It Li \&! +.It Li $\&! Expands to the process ID of the most recent background command executed from the current shell. For a pipeline, the process ID is that of the last command in the pipeline. -.It Li 0 +.It Li $0 (zero) Expands to the name of the shell or shell script. .El .Ss Word Expansions
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20041030085621.GZ24892>