in reply to Re^3: To print the file in spool with the new format of input file also
in thread To print the file in spool with the new format of input file also
In addition to what has been said: the "(" and ")" characters create so-called "groups", and the first group is assigned to $1, the second to $2, and so on. See perlre, especially the section on Capture groups.
For more "basic" information you might want to look into perlintro (which is part of perl's "official" doc), or http://learn.perl.org or http://perl-begin.org
BTW if you have perl on your computer, you can get at perl's documentation via perldoc, e.g.perldoc perlintro
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