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Golf, anyone?

If you’re OK reading the whole input file into memory, the part function from List::MoreUtils can be used to populate both arrays at once. (This also incorportes Eily’s use of map to populate %bad_hash.)

#! perl use strict; use warnings; use List::MoreUtils qw( part ); my %bad_hash = map { $_ => 1 } qw( ); my ($good_log, $bad_log) = part { exists $bad_hash{ (split)[5] =~ s{-- +-*}{}r } } <DATA>; print "\nBad lines are:\n"; print for @$bad_log; print "\nGood lines are:\n"; print for @$good_log; __DATA__ X456 TV-yes DB-no dealio3 FX-yes d +53 Y-03 X123 TV-yes DB-yes dealio1 FX-no d01 +Y-03 X412 TV-no DB-no 192.365.25.23 rayovac2 FX-yes d1 +3 Y-07

Hope that’s useful,

Athanasius <°(((><contra mundum Iustus alius egestas vitae, eros Piratica,

In reply to Re^2: divide one file into multiple arrays by Athanasius
in thread divide one file into multiple arrays by tevus_oriley

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