Date: Sun, 4 Jan 2015 19:05:17 +0000 (UTC) From: Jilles Tjoelker <jilles@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r276664 - stable/9/bin/sh Message-ID: <201501041905.t04J5Hqe093899@svn.freebsd.org>
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Author: jilles Date: Sun Jan 4 19:05:16 2015 New Revision: 276664 URL: https://svnweb.freebsd.org/changeset/base/276664 Log: 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). 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 Sun Jan 4 19:02:50 2015 (r276663) +++ stable/9/bin/sh/sh.1 Sun Jan 4 19:05:16 2015 (r276664) @@ -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 @@ -2473,7 +2473,8 @@ 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 .
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