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Thanks for the reply.

Ok, so could I use local for $1 and $2 in the same way that I use my for $_? This isn't working how I expected it to.

I'm not sure if this is relevant, but the one that I'm having trouble with is the multiplication, where I use both the originals and the recursive call results:

return "($1)*(".diff($2).")+($2)*(".diff($1).") if m/(.+?)\*(.+)/;

This works fine using $capt1 = $1, but I'm curious as to whether it can be done using local or with the double quotes...

-Mark

In reply to Re^2: my $1 by mltucker
in thread my $1 by mltucker

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