From: fieldhouse@logica.com (Dirk Fieldhouse)
To: cygwin@sourceware.cygnus.com
Subject: Re: Why doesn't this work?
Date: Mon, 09 Aug 1999 11:25:00 -0000 [thread overview]
Message-ID: <199908091825.TAA08954@cav.logica.co.uk> (raw)
On Thu, 05 Aug 1999 10:20:28 -0400, Tim Taylor <ttaylor@mitre.org> wrote:
>Can anyone tell me why this script always outputs "fail"?
>
>=========== beginning of script ============
>#! /bin/sh
>if echo line2 from branch1 | cmp - file1 >/dev/null; then
> echo pass
>else
> echo fail
>fi
>============= end of script ==============
>
>The file1 in the above script contains the following >(without the quotes):
>
>"line2 from branch1\r\n"
>
>where \r\n is actually 0x0D0A
>
>The output from my uname command is shown below
>bash-2.02$ uname -a
>CYGWIN_NT-4.0 TAYLOR-NT 21.0 (0.8/1/2) 1999-1-18 00:09:41 >i686 unknown
>
>When I try running cmp from the command line using:
>bash-2.02$ cmp - file1<ENTER>
>line2 from branch1<CTL-D>
>
>I get the following error message:
>cmp: EOF on -
>appearing on the same line as the text I typed. Then I >get the bash prompt. As soon as I type a key, bash >outputs the text I typed (line2 from branch1) followed by
>the new key.
FWIW Here's my output:
BASH.EXE-2.01$ pwd
/usr
BASH.EXE-2.01$ echo line2 from branch1>file1
BASH.EXE-2.01$ cat file1
line2 from branch1
BASH.EXE-2.01$ sh
$ echo line2 from branch1§
line2 from branch1§
$ if echo line2 from branch1 | cmp - file1 >/dev/null; then
> echo pass
> else
> echo fail
> fi
pass
$ od -x file1
0000000 696c 656e 2032 7266 6d6f 6220 6172 636e
0000020 3168 0a0d
0000024
$ uname -a
CYGWIN_95-4.0 TOSH-SAN 21.0 (0.8/1/1) 1999-1-16 00:09:28 i586 unknown
$
Same result under bash. I suspect a text/binary issue. My /usr is mounted text!=binary.
What happens if you use diff --text [--ignore-blank-lines ¦ --ignore-space-change] instead ?
--
Dirk Fieldhouse Logica UK Limited
fieldhouse@logica.com 75 Hampstead Road
c=gb;a=attmail;p=logica; London NW1 2PL
o=LOGICA;ou1=UK;s=fieldhouse UK
+44 (171) 637 9111
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WARNING: multiple messages have this Message-ID
From: fieldhouse@logica.com (Dirk Fieldhouse)
To: cygwin@sourceware.cygnus.com
Subject: Re: Why doesn't this work?
Date: Tue, 31 Aug 1999 23:49:00 -0000 [thread overview]
Message-ID: <199908091825.TAA08954@cav.logica.co.uk> (raw)
Message-ID: <19990831234900.CLgCYMeNhKTyrb5uxd1FfqShNdSzbHLcaiPDKDS8YfE@z> (raw)
On Thu, 05 Aug 1999 10:20:28 -0400, Tim Taylor <ttaylor@mitre.org> wrote:
>Can anyone tell me why this script always outputs "fail"?
>
>=========== beginning of script ============
>#! /bin/sh
>if echo line2 from branch1 | cmp - file1 >/dev/null; then
> echo pass
>else
> echo fail
>fi
>============= end of script ==============
>
>The file1 in the above script contains the following >(without the quotes):
>
>"line2 from branch1\r\n"
>
>where \r\n is actually 0x0D0A
>
>The output from my uname command is shown below
>bash-2.02$ uname -a
>CYGWIN_NT-4.0 TAYLOR-NT 21.0 (0.8/1/2) 1999-1-18 00:09:41 >i686 unknown
>
>When I try running cmp from the command line using:
>bash-2.02$ cmp - file1<ENTER>
>line2 from branch1<CTL-D>
>
>I get the following error message:
>cmp: EOF on -
>appearing on the same line as the text I typed. Then I >get the bash prompt. As soon as I type a key, bash >outputs the text I typed (line2 from branch1) followed by
>the new key.
FWIW Here's my output:
BASH.EXE-2.01$ pwd
/usr
BASH.EXE-2.01$ echo line2 from branch1>file1
BASH.EXE-2.01$ cat file1
line2 from branch1
BASH.EXE-2.01$ sh
$ echo line2 from branch1§
line2 from branch1§
$ if echo line2 from branch1 | cmp - file1 >/dev/null; then
> echo pass
> else
> echo fail
> fi
pass
$ od -x file1
0000000 696c 656e 2032 7266 6d6f 6220 6172 636e
0000020 3168 0a0d
0000024
$ uname -a
CYGWIN_95-4.0 TOSH-SAN 21.0 (0.8/1/1) 1999-1-16 00:09:28 i586 unknown
$
Same result under bash. I suspect a text/binary issue. My /usr is mounted text!=binary.
What happens if you use diff --text [--ignore-blank-lines ¦ --ignore-space-change] instead ?
--
Dirk Fieldhouse Logica UK Limited
fieldhouse@logica.com 75 Hampstead Road
c=gb;a=attmail;p=logica; London NW1 2PL
o=LOGICA;ou1=UK;s=fieldhouse UK
+44 (171) 637 9111
--
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Send a message to cygwin-unsubscribe@sourceware.cygnus.com
next reply other threads:[~1999-08-09 11:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-08-09 11:25 Dirk Fieldhouse [this message]
1999-08-31 23:49 ` Dirk Fieldhouse
-- strict thread matches above, loose matches on Subject: below --
1999-08-05 7:19 Tim Taylor
1999-08-31 23:49 ` Tim Taylor
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