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| author | jilles <jilles@FreeBSD.org> | 2015-01-04 19:02:50 +0000 |
|---|---|---|
| committer | jilles <jilles@FreeBSD.org> | 2015-01-04 19:02:50 +0000 |
| commit | 6f128b2d1aeea28705ed13c65395d7719bc3ebb5 (patch) | |
| tree | 1b5e437a9a995539457d6aa6e91047e6b73e332c /bin/sh | |
| parent | 973fc27d21a7d89c2b4b12f555af29334ce22836 (diff) | |
| download | FreeBSD-src-6f128b2d1aeea28705ed13c65395d7719bc3ebb5.zip FreeBSD-src-6f128b2d1aeea28705ed13c65395d7719bc3ebb5.tar.gz | |
MFC r274254: sh(1): Mention portability issue with shifting zero positional
parameters.
Per Austin Group issue #459, shifting zero positional parameters may or may
not be considered an operand error (which causes the shell to exit in most
cases).
Diffstat (limited to 'bin/sh')
| -rw-r--r-- | bin/sh/sh.1 | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/bin/sh/sh.1 b/bin/sh/sh.1 index e970e7d..fbe3d81 100644 --- a/bin/sh/sh.1 +++ b/bin/sh/sh.1 @@ -32,7 +32,7 @@ .\" from: @(#)sh.1 8.6 (Berkeley) 5/4/95 .\" $FreeBSD$ .\" -.Dd September 21, 2014 +.Dd November 7, 2014 .Dt SH 1 .Os .Sh NAME @@ -2516,7 +2516,8 @@ and so on, decreasing the value of .Li $# by one. -If there are zero positional parameters, shifting does not do anything. +For portability, shifting if there are zero positional parameters +should be avoided, since the shell may abort. .It Ic test A built-in equivalent of .Xr test 1 . |
