X-Spam-Check-By:	sourceware.org
To:	cygwin AT cygwin DOT com
Subject:	Re: bug bash-3.1.17(9) : CR problems when using cat to generate cmd line arguments
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From:	"Howard Mak" <hmak AT vaultus DOT com>
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References:	<op DOT thvurhc7lokn5a AT slate>
Date:	Mon, 23 Oct 2006 12:35:53 -0400
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Apparently, the attachment in my previous email got dropped.  Here it is again.

- Howard

On Mon, 23 Oct 2006 12:29:31 -0400, Howard Mak wrote:

> I can't seem to get the latest version of bash to work with the command
> 	PROGRAM `cat file_containing_arguments.txt`
> when the file is created on a textmode mount.  Seems like carriage returns are not processed correctly.
>
> I've attached a test script illustrating the problem.
>
> Comments:
>
> -	The problem does not seem to appear in older version of bash (ver 3.1.17(6))
>
> -	I tried using different settings for the shell option igncr, but it didn't seem to help
>
> Thanks in advance for any help.
>
> - Howard

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#!/usr/bin/bash
#
# Following 2 tests should both pass.
# Instead, 1st test fails in newer version of bash, but not on older version.

shopt -s igncr

pwd

# Result: /c/tmp

mount

# Result:
# c:\cygwin\usr\X11R6\lib\X11\fonts on /usr/X11R6/lib/X11/fonts type system (binmode)
# C:\cygwin\bin on /usr/bin type system (textmode)
# C:\cygwin\lib on /usr/lib type system (textmode)
# C:\cygwin on / type system (textmode)
# c: on /c type system (textmode)
# d: on /d type system (textmode)
# j: on /j type system (textmode)
# k: on /k type system (textmode)
# t: on /t type system (textmode)
# y: on /y type user (textmode)
# z: on /z type user (textmode)


################################################################################
# Test 1
# Passes in bash 3.1.17(6)-release
# Fails  in bash 3.1.17(9)-release

echo bar.txt > bar.txt

od -c bar.txt

# Result:
# 0000000   b   a   r   .   t   x   t  \r  \n
# 0000011

notepad `cat bar.txt`

# Open fails because `cat` output returns CR?

################################################################################
# Test 2
# Passes in bash 3.1.17(6)-release
# Passes in bash 3.1.17(9)-release

dos2unix -U bar.txt

od -c bar.txt

# Result:
# 0000000   b   a   r   .   t   x   t  \n
# 0000010

notepad `cat bar.txt`


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