Less tricky than the above oneliner version:
# file used below has the same content of the previous example's DATA
+token<P>
perl -e "open $fh,$ARGV[0];while(<$fh>){push @unv,$.-1,$.,$.+1 if /XXX
+XX/}seek $fh,0,0;while(<$fh>){print unless ++$index ~~ @unv}" file
11111
22222
33333
44444
i was not able to resolve to use perl -lne because i've encountered some problem using seek ARGV even if in a BEGIN block.
L*
There are no rules, there are no thumbs..
Reinvent the wheel, then learn The Wheel; may be one day you reinvent one of THE WHEELS.
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