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'eval' exit behaviour in posix mode

From: Martijn Dekker
Subject: 'eval' exit behaviour in posix mode
Date: Fri, 14 Dec 2018 11:46:17 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

In current git, 'bash -o posix' no longer exits the shell on a syntax error in the argument to the special builtin 'eval'. Bash 4.2-4.4 exit as POSIX specifies.

$ bash -o posix -c 'eval "(" || echo woops'
bash: eval: regel 1: syntaxfout: onverwacht bestandseinde

On the other hand, note that 'command eval' should *not* exit. Bash 4.2-4.4 exit on 'command eval "("' which is also a bug.


- M.

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