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List:       busybox
Subject:    Re: ash / shell scripting question / abort after Arithmetic Evaluation
From:       Bastian Bittorf <bittorf () bluebottle ! com>
Date:       2015-06-25 8:19:01
Message-ID: 20150625081901.GG5927 () medion ! lan
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* Xabier Oneca -- xOneca <xoneca@gmail.com> [25.06.2015 07:10]:
> I think it is copied from Bash behavior. According to bash(1) doc:
> (section ARITHMETIC EVALUATION)
> 
> > A shell variable that is null or unset evaluates to 0 when referenced by name \
> > without using the parameter expansion syntax.

thank you, that makes sense - at least we have this issue in the archive
now, and internally we only use the syntax without '$' now, e.g.

val=$(( b / int ))

bye, bastian
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