On Jan 24, 2008 9:46 AM, <[EMAIL PROTECTED]> wrote: > Probably horribly obvious I guess but what is the s/// operator > (s/^-(?=.)//) in the `ARG:' line doing here:
That pattern matches a string beginning with a hyphen, so long as the hyphen is followed by a non-newline character. The effect of the substitution is to simultaneously test whether the string is an option string beginning with a hyphen, and to remove the hyphen. > Also not sure of the significance of ARG: and OPT: labels. (I mean > how it would differ without them) Without the labels, the last, next, and redo operators would be unable to operate upon the named blocks from within a nested block. Hope this helps! --Tom Phoenix Stonehenge Perl Training -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] http://learn.perl.org/
