svn commit: r264645 - stable/9/bin/sh

[Jilles Tjoelker]

Author: jilles
Date: Fri Apr 18 12:51:30 2014
New Revision: 264645
URL: http://svnweb.freebsd.org/changeset/base/264645

Log:
  MFC r260246: sh(1): Discourage use of -e.
  
  Also, do not say that ! before a pipeline is an operator, because it is
  syntactically a keyword.

Modified:
  stable/9/bin/sh/sh.1
Directory Properties:
  stable/9/bin/sh/   (props changed)

Modified: stable/9/bin/sh/sh.1
==============================================================================
--- stable/9/bin/sh/sh.1	Fri Apr 18 12:42:50 2014	(r264644)
+++ stable/9/bin/sh/sh.1	Fri Apr 18 12:51:30 2014	(r264645)
@@ -32,7 +32,7 @@
 .\"	from: @(#)sh.1	8.6 (Berkeley) 5/4/95
 .\" $FreeBSD$
 .\"
-.Dd June 14, 2013
+.Dd January 3, 2014
 .Dt SH 1
 .Os
 .Sh NAME
@@ -235,10 +235,16 @@ or
 .Dq Li ||
 operator; or if the command is a pipeline preceded by the
 .Ic !\&
-operator.
+keyword.
 If a shell function is executed and its exit status is explicitly
 tested, all commands of the function are considered to be tested as
 well.
+.Pp
+It is recommended to check for failures explicitly
+instead of relying on
+.Fl e
+because it tends to behave in unexpected ways,
+particularly in larger scripts.
 .It Fl f Li noglob
 Disable pathname expansion.
 .It Fl h Li trackall