bash question

[John Abreau]

"Thomas M. Albright" <talbright at tarogue.net> writes:

> If the due date is greater than today, it outputs the message "Due in x
> days." If the due date is less than today I get a message saying "You
> are -x days past due." How can I convert the negative number into a
> positive one in bash?

    $ echo $[ 0 - -1 ]
    1


-- 
John Abreau / Executive Director, Boston Linux & Unix 
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