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the description of -A / --concatenate is inconsistent


From: Benno Schulenberg
Subject: the description of -A / --concatenate is inconsistent
Date: Mon, 1 May 2023 11:44:09 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0


Hi,

The texi manual of tar says:

  '--concatenate'
  '-A'
       Appends other 'tar' archives to the end of the archive.


But when I try to do something like:

  tar  -A  -f 11.tar  22.tar  33.tar

only 22.tar is appended to 11.tar, and 33.tar is silently ignored.


The synopsis in the man page seems to indicate that only one archive
can be appended to another.  But the description of -A oscillates
between one and multiple archives: "Append archive to the end of
another archive.  The arguments are treated as the names of archives
to append."

The intention seems to have been to allow appending multiple archives
(and naively one would expect this to be possible).  If this was indeed
the intention, then -A has a bug.  If not, then the descriptions in the
docs need some rewording.


(Please CC, not subscribed.)

Benno

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