diff options
| author | Paul Eggert <eggert@cs.ucla.edu> | 2006-06-28 23:50:21 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2006-06-28 23:50:21 +0000 |
| commit | 5b3614ac912a9d7f66029e4ef54857deb55e715b (patch) | |
| tree | c93bb78bdfb88ca12b8f2193f724a90c67f899a5 /doc | |
| parent | 3869e2919673f91152f351a0e5211ddaec74682c (diff) | |
| download | coreutils-5b3614ac912a9d7f66029e4ef54857deb55e715b.tar.xz | |
(sort invocation): 'sort +1 -2' is now supported
even when conforming to POSIX 1003.1-2001, since this is a pure
extension to POSIX.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/coreutils.texi | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/coreutils.texi b/doc/coreutils.texi index d8cc5b6a2..0b142c7ad 100644 --- a/doc/coreutils.texi +++ b/doc/coreutils.texi @@ -3681,11 +3681,13 @@ numbers of leading blanks in fields can cause confusing results. Keys can span multiple fields. @vindex _POSIX2_VERSION +@vindex POSIXLY_CORRECT On older systems, @command{sort} supports an obsolete origin-zero syntax @samp{+@var{pos1} [-@var{pos2}]} for specifying sort keys. This obsolete behavior can be enabled or disabled with the @env{_POSIX2_VERSION} environment variable (@pxref{Standards -conformance}). +conformance}); it can also be enabled when @env{POSIXLY_CORRECT} is +not set by using the obsolete syntax with @samp{-@var{pos2}} present. Scripts intended for use on standard hosts should avoid obsolete syntax and should use @option{-k} instead. For example, avoid |