.sh & getopts

[Matthew Seaman]

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On 06/06/2010 02:47:38, Dan Nelson wrote:
>> flag_count=`expr $flag_count + 1`
> /bin/sh can do math on its own:
> 
> flag_count=$((flag_count+1))

flag_count=$(( $flag_count + 1 ))

surely?  Needs to dereference the variable inside the arithmetic expansion.

	Cheers,

	Matthew

- -- 
Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
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PGP: http://www.infracaninophile.co.uk/pgpkey     Ramsgate
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