On Wed, Jul 06, 2005 at 10:13:28PM -0700, Gary Funck wrote:
boring but effective:
VAR="-$VAR"
:0
* VAR ?? ^--\/.*
{
VAR=$MATCH
}
Yes, these kinds of tests are always possible, but I was
looking for the shmancier approach.
One could also do this, which I had at first:
:0
* $ $VAR^0
{ VAR = -$VAR }
:0 E
* VAR ?? ()\/[0-9]+
{ VAR = $MATCH }
Dallman
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