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Mention the environment variables that affect the execution of uniq.

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Of particular interest is the fact that LC_COLLATE affects how uniq
determines whether lines are equal. This was the subject of a fairly heated
debate a year or so ago, and it turns out that the current behaviour is
correct and that the standard contained an error.

Now that the standard has been corrected by Cor. 1-2002, refer to 1003.1-2001
instead of the 1992 edition in the Standards section.
This commit is contained in:
Tim J. Robbins 2003-04-12 04:17:14 +00:00
parent 88d5eb7147
commit 058d268671
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=113382
1 changed files with 15 additions and 4 deletions
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19
usr.bin/uniq/uniq.1
View File

@ -35,7 +35,7 @@
.\" From: @(#)uniq.1 8.1 (Berkeley) 6/6/93
.\" $FreeBSD$
.\"
.Dd June 6, 1993
.Dd April 12, 2003
.Dt UNIQ 1
.Os
.Sh NAME
@ -121,6 +121,17 @@ Case insensitive comparison of lines.
.\"is a
.\"number.
.El
.Sh ENVIRONMENT
The
.Ev LANG ,
.Ev LC_ALL ,
.Ev LC_COLLATE
and
.Ev LC_CTYPE
environment variables affect the execution of
.Nm
as described in
.Xr environ 7 .
.Sh DIAGNOSTICS
.Ex -std
.Sh COMPATIBILITY
@ -134,9 +145,9 @@ options have been deprecated but are still supported in this implementation.
.Sh STANDARDS
The
.Nm
utility is expected to be
.St -p1003.2
compatible.
utility conforms to
.St -p1003.1-2001
as amended by Cor. 1-2002.
.Sh HISTORY
A
.Nm