GNU bug report logs - #76255
cat: error without arguments

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Package: coreutils; Reported by: lilydjwg <lilydjwg@HIDDEN>; merged with #76256, #76257; Done: Paul Eggert <eggert@HIDDEN>; Maintainer for coreutils is bug-coreutils@HIDDEN.
bug unarchived. Request was from Pádraig Brady <P@HIDDEN> to control <at> debbugs.gnu.org. Full text available.
bug archived. Request was from Debbugs Internal Request <help-debbugs@HIDDEN> to internal_control <at> debbugs.gnu.org. Full text available.

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Subject: Re: bug#76255: cat: error without arguments
To: lilydjwg <lilydjwg@HIDDEN>
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On 2025-02-12 22:45, lilydjwg wrote:
> cat: -: input file is output file

Thanks for the bug report. The symptoms you observe are a bug in 'cat'. 
I also see a bug in Gawk which I reported to the Gawk maintainer 
<https://lists.gnu.org/r/bug-gawk/2025-02/msg00003.html>. I don't see a 
bug in zsh or fish but perhaps I'm missing something.

To fix the 'cat' bug I installed the attached patch into bleeding-edge 
Coreutils on Savannah, and something like this patch should appear in 
the next release.
--------------FHzgNDhPoG0gRkS8az07oGCT
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 name="0001-cat-fix-plain-cat-bug.patch"
Content-Disposition: attachment; filename="0001-cat-fix-plain-cat-bug.patch"
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Notification sent to lilydjwg <lilydjwg@HIDDEN>:
bug acknowledged by developer. Full text available.
Reply sent to Paul Eggert <eggert@HIDDEN>:
You have taken responsibility. Full text available.

Message received at 76255-done <at> debbugs.gnu.org:


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Subject: Re: bug#76255: cat: error without arguments
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On 2025-02-12 22:45, lilydjwg wrote:
> cat: -: input file is output file

Thanks for the bug report. The symptoms you observe are a bug in 'cat'. 
I also see a bug in Gawk which I reported to the Gawk maintainer 
<https://lists.gnu.org/r/bug-gawk/2025-02/msg00003.html>. I don't see a 
bug in zsh or fish but perhaps I'm missing something.

To fix the 'cat' bug I installed the attached patch into bleeding-edge 
Coreutils on Savannah, and something like this patch should appear in 
the next release.
--------------FHzgNDhPoG0gRkS8az07oGCT
Content-Type: text/x-patch; charset=UTF-8;
 name="0001-cat-fix-plain-cat-bug.patch"
Content-Disposition: attachment; filename="0001-cat-fix-plain-cat-bug.patch"
Content-Transfer-Encoding: base64

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--------------FHzgNDhPoG0gRkS8az07oGCT--




Notification sent to lilydjwg <lilydjwg@HIDDEN>:
bug acknowledged by developer. Full text available.
Reply sent to Paul Eggert <eggert@HIDDEN>:
You have taken responsibility. Full text available.

Message received at 76255-done <at> debbugs.gnu.org:


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Date: Fri, 14 Feb 2025 22:22:02 -0800
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Subject: Re: bug#76255: cat: error without arguments
To: lilydjwg <lilydjwg@HIDDEN>
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On 2025-02-12 22:45, lilydjwg wrote:
> cat: -: input file is output file

Thanks for the bug report. The symptoms you observe are a bug in 'cat'. 
I also see a bug in Gawk which I reported to the Gawk maintainer 
<https://lists.gnu.org/r/bug-gawk/2025-02/msg00003.html>. I don't see a 
bug in zsh or fish but perhaps I'm missing something.

To fix the 'cat' bug I installed the attached patch into bleeding-edge 
Coreutils on Savannah, and something like this patch should appear in 
the next release.
--------------FHzgNDhPoG0gRkS8az07oGCT
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--------------FHzgNDhPoG0gRkS8az07oGCT--




Notification sent to lilydjwg <lilydjwg@HIDDEN>:
bug acknowledged by developer. Full text available.
Reply sent to Paul Eggert <eggert@HIDDEN>:
You have taken responsibility. Full text available.
Merged 76255 76256 76257. Request was from Paul Eggert <eggert@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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Date: Thu, 13 Feb 2025 14:45:39 +0800
From: lilydjwg <lilydjwg@HIDDEN>
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Subject: cat: error without arguments
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In the past I can run `cat` without any arguments and it prints
whatever I type at the terminal. However since 9.6, `cat` reports the
following error:

cat: -: input file is output file

-- 
Best regards,
lilydjwg




Acknowledgement sent to lilydjwg <lilydjwg@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-coreutils@HIDDEN. Full text available.
Report forwarded to bug-coreutils@HIDDEN:
bug#76255; Package coreutils. Full text available.
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