Proposal: Optional libsafe add-on?

[Chuck Wolber]

On Wed, 21 Jan 2004, Johannes Erdfelt wrote:

> > How else do you do date math in your shell scripts?
> 
> farley:~% echo $((1+2))
> 3
> farley:~% echo $((21/7))
> 3
> 
> I've never used it personally either. *shrug*
> 
> Not to say I think it should be dropped or kept either way, just
> pointing out you can do math in shells :)

I didn't say math, I said "date math". They're two *VERY* different
things. Calculating a date is a non-trivial thing unless you're a savant.

-Chuck

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