grml2iso: use shell for calculation instead of using bc
authorMichael Prokop <mika@grml.org>
Wed, 8 Feb 2012 22:14:38 +0000 (23:14 +0100)
committerMichael Prokop <mika@grml.org>
Wed, 8 Feb 2012 22:14:39 +0000 (23:14 +0100)
We are lacking a dependency on bc but there shouldn't be any
reason why we'd have to use bc to calculate the cylinder foo,
so let's just use the internal shell mechanism.


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