diff options
| author | wiz <wiz@NetBSD.org> | 2001-12-20 20:05:12 +0000 |
|---|---|---|
| committer | wiz <wiz@NetBSD.org> | 2001-12-20 20:05:12 +0000 |
| commit | e0ab876efe89ba1dbeeb3882a4be2731d7c8d1a5 (patch) | |
| tree | f1e3d96dc23a34f1949d41b96e335130bd961fa7 /bin/expr/expr.1 | |
| parent | 6fa1adea30e4e85ed5060ba2cb72b45e11b0c016 (diff) | |
Use standard headers, sort sections.
Diffstat (limited to 'bin/expr/expr.1')
| -rw-r--r-- | bin/expr/expr.1 | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/bin/expr/expr.1 b/bin/expr/expr.1 index 46c1a201e17..b0d5848fcba 100644 --- a/bin/expr/expr.1 +++ b/bin/expr/expr.1 @@ -1,4 +1,4 @@ -.\" $NetBSD: expr.1,v 1.17 2001/10/18 11:00:03 wiz Exp $ +.\" $NetBSD: expr.1,v 1.18 2001/12/20 20:05:12 wiz Exp $ .\" .\" Written by J.T. Conklin <jtc@netbsd.org>. .\" Public domain. @@ -95,6 +95,20 @@ compare operators .It .Dq \Z'\*[tty-rn]'| .El +.Sh EXIT STATUS +The +.Nm +utility exits with one of the following values: +.Bl -tag -width Ds -compact +.It 0 +the expression is neither an empty string nor 0. +.It 1 +the expression is an empty string or 0. +.It 2 +the expression is invalid. +.It >2 +an error occurred (such as memory allocation failure). +.El .Sh EXAMPLES .Bl -enum .It @@ -112,26 +126,12 @@ in variable a. The following example returns the number of characters in variable a. .Dl expr $a Li : '.*' .El -.Sh EXIT STATUS -The -.Nm -utility exits with one of the following values: -.Bl -tag -width Ds -compact -.It 0 -the expression is neither an empty string nor 0. -.It 1 -the expression is an empty string or 0. -.It 2 -the expression is invalid. -.It >2 -an error occurred (such as memory allocation failure). -.El .Sh STANDARDS The .Nm utility conforms to .St -p1003.2 . -.Sh AUTHOR +.Sh AUTHORS Original implementation was written by .An J.T. Conklin Aq jtc@netbsd.org . It was rewritten in |
