calculating difference of times
roberthuff at rcn.com
Fri Jul 27 12:55:20 UTC 2012
Matthias Apitz writes:
> Do we have something (in the ports) to calculate easy the
> difference of two times given as hh:mm - hh:mm? Some hack in
> bc(1) or something like this? Well, I could translate the times
> into UNIX seconds of epoche, build the diff and reconvert, but
> something more easy (and not in Perl or C, just shell); thanks
I don't know if there's something already available. (Sorry -
never had this problem.)
If the format is fixed, then parsing it with awk is trivial.
After that, the math should be doable with "expr".
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