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bug#50097: gzip: add "--keep" option to keep original files unchanged
From: |
Krzysztof Żelechowski |
Subject: |
bug#50097: gzip: add "--keep" option to keep original files unchanged |
Date: |
Fri, 20 Aug 2021 14:20:36 +0200 |
Dnia czwartek, 19 sierpnia 2021 23:32:44 CEST Paul Eggert pisze:
> On 8/19/21 1:43 PM, Krzysztof Żelechowski wrote:
> > The command { gzip b; } fails because it would compress [a] without
> > renaming it.
> > The command { gzip -k b; } would not compress [a], so there is no reason
> > to
> > fail.
>
> There is a safety reason to fail. A naive user might do this:
>
> gzip -k b && gzip -cd b.gz >b
>
> which would trash the hard-linked file as well.
That would replace the content of the file b with the content of the file b.
How bad can that be? ;-)
Chris
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/17
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Rodrigo Campos, 2021/08/18
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/18
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Rodrigo Campos, 2021/08/19
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Antonio Diaz Diaz, 2021/08/19
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Rodrigo Campos, 2021/08/19
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/19
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Paul Eggert, 2021/08/19
- bug#50097: gzip: add "--keep" option to keep original files unchanged,
Krzysztof Żelechowski <=
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Paul Eggert, 2021/08/20
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/20
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Paul Eggert, 2021/08/20
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/20
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Jim Meyering, 2021/08/21
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/21
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Adler, Mark, 2021/08/22
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/22
- bug#50097: gzip: add "--keep" option to keep original files unchanged, Krzysztof Żelechowski, 2021/08/20