Note: Ahbeyra was under the impression that one had to put print inside the code tags. Thus, this question and the next should be considered to be s/print "(.*)\\n"/$1/

Hrm -- an interesting bit of code, there. Taking it apart:

• $main::cmdbase_mult is a fully qualified variable name -- that is, it's saying "there's this scalar in package main whose name is cmdbase_mult."
• $main::cmdbase_mult->{'ignore'} takes that scalar, uses it as a hash reference, and looks up a key in said hash.
•  = sub {...} creates an anonymous subroutine. That is, it'll return a (scalar, or course) reference to a subroutine that can be used later on down the line to call the subroutine that we put together now.
• $_[0]->uid_ignore($_[1]) is the body of the subroutine that we're making. It takes the first argument ($_[0]), treats it as an object, and calls the uid_ignore method on it with the second argument that was passed to it.

There are quite a few different things going on here. If you're curious about references, this piece by Dominus or perlref might help; "Coping with Scoping" or perlmod educates about the $main::cmdbase_mult bit, while perltoot might be useful for learning about objects.

Update: Added links to Dominus's pages, which are a bit more digestable than the plain ole' docs.

perl -pe '"I lo*`+$^X$\"$]!$/"=~m%(.*)%s;$_=$1;y^+*`^ ve^#$&V"+@( NO CARRIER'

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