On Sun, 2010-02-28 at 22:22 +0100, Axel Beckert wrote:
> via another bug (yet to file :-) I ran over a sort of bashisms
> checkbashisms doesn't yet recognise, or at least dash can't parse
> (haven't checked the POSIX standard about that syntax).
[...]
> #!/bin/sh
> 
> metric=0
> echo $((metric++))

Yep, ++ is not required to be supported by a POSIX-compliant shell:

"The sizeof() operator and the prefix and postfix "++" and "--"
operators are not required."

Regards,

Adam



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