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Its just what I though of first. You could also do:
use strict; use warnings; use List::Util qw(max); my %prns; while (<DATA>) { my ( $printer, $num, $cmd ) = split /:/; $prns{$num} = $printer; } print "Highest numbered printer is $prns{max (keys %prns) }\n"; __DATA__ M08_amvpss09_MEDIP :275:lp -damvpss09 M07_amvpss09_MEDIP :279:lp -damvpss09 M09_amvpss09_MEDIP :278:lp -damvpss09 M01_amvpss09_MEDIP :2:lp -damvpss09 M04_amvpss09_MEDIP :1000:lp -damvpss09
Something line FunkyMonk's suggestion would work as well.
"That which we persist in doing becomes easier, not that the task itself has become easier, but that our ability to perform it has improved."
  --Ralph Waldo Emerson

In reply to Re^3: Parsing a data file to find the highest value. by tcf03
in thread Parsing a data file to find the highest value. by misconfiguration

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