GNU bug report logs -
#71682
sed -i '' returns error but still modify target file
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bug#71682
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sed
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(Thu, 20 Jun 2024 18:23:01 GMT)
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Renato Botelho <garga <at> FreeBSD.org>
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(Thu, 20 Jun 2024 18:23:01 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
I'm writing a script that needs to run with both GNU and BSD sed
implementations. I know GNU sed accepts -i without any parameter while
in BSD implementation it's mandatory. I also know that if I use -i''
without spaces between -i and '' it works on both implementations and my
problem is solved.
But I believe the behavior of GNU sed when there is a space between -i
and '' is not correct. It prints an error message and returns code 2
but it still modifies the file. Here is an example:
$ echo abcd > /tmp/f
$ sed -i '' -e 's/abcd/dcba/' /tmp/f
sed: can't read : No such file or directory
$ echo $?
2
$ cat /tmp/f
dcba
--
Renato Botelho
This bug report was last modified 138 days ago.
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