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| author | alfred <alfred@FreeBSD.org> | 2004-11-01 19:05:04 +0000 |
|---|---|---|
| committer | alfred <alfred@FreeBSD.org> | 2004-11-01 19:05:04 +0000 |
| commit | 9ac1091d8c43879fdded74e43f9f4d99de302ced (patch) | |
| tree | 2cb5317d65c0921b6dfe929d10a7fbd745a83efa /bin | |
| parent | 94c6d19c80ab9f3b68faee1c4679f1bb07a91e58 (diff) | |
| download | FreeBSD-src-9ac1091d8c43879fdded74e43f9f4d99de302ced.zip FreeBSD-src-9ac1091d8c43879fdded74e43f9f4d99de302ced.tar.gz | |
When listing the special $ variables, ($!, $#, etc) list them as $!
instead of just !, this allows one to more easily locate/understand
the section of the manpage in question.
Additional wording correction by: keramida
Reviewed by: keramida
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/sh/sh.1 | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/bin/sh/sh.1 b/bin/sh/sh.1 index fd4ee9d..919a27d 100644 --- a/bin/sh/sh.1 +++ b/bin/sh/sh.1 @@ -947,12 +947,16 @@ The .Ic set built-in command can also be used to set or reset them. .Ss Special Parameters -A special parameter is a parameter denoted by one of the following -special characters. -The value of the parameter is listed -next to its character. +A special parameter is a parameter denoted by a special one-character +name. +The special parameters recognized by the +.Nm +shell of +.Fx +are shown in the following list, exactly as they would appear in input +typed by the user or in the source of a shell script. .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 +969,7 @@ or by a 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 +992,26 @@ the two arguments: .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 |
