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Date: Wed, 4 Oct 2006 17:13:33 +0100
From: "David Picton" <djpicton AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] Updated: bash-3.1-9
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> From: Eric Blake <ebb9 at byu dot net>
> To: cygwin at cygwin dot com
> Date: Mon, 02 Oct 2006 21:51:04 -0600
> Subject: [ANNOUNCEMENT] Updated: bash-3.1-9
> Reply-to: cygwin at cygwin dot com
> Reply-to: The Cygwin Mailing List <cygwin at cygwin dot com>
>
> --------------------------------------------------------------------------------
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> A new release of bash, 3.1-9, is now available, replacing 3.1-8 as the
> current version.  3.1-6 remains as the previous version.

> NEWS:
> =====
> Due to complaints on the mailing list, this version attempts to alleviate
> some of the pain of people who have difficulties working around \r\n line
> endings in scripts residing on binary mounts.

[snip]

> Second, this release adds a new shopt, igncr, which dynamically
> tells bash to ignore all \r in the input file when it is set; however, it
> defaults to unset.  With this shopt, it is possible to make a bash script
> work on binary mounts even if it has \r\n line endings, by adding the
> following line as the first non-comment:
>  shopt -s igncr;#

[snip]

> If you want your script to be
> portable to other platforms or shells that don't understand igncr, you can
>write it as:
> (shopt -s igncr) 2>/dev/null && eval 'shopt -s igncr';#

Alternatively, you can set the environment variable BASH_ENV to the name of a
file containing startup commands for all bash scripts.  If the above command is
issued in the file, the shopt command will be set before the script is
read - and
DOS-format scripts will therefore execute correctly without modification.

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