##
perl -ne 'print if 17 .. 30' infile.txt > output.txt
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open INFILE, '<', $inFile or die "Can't open $inFile : $!";
open OUTFILE, '>', $outFile or die "Can't open $outFile : $!";
while ( ) {
print OUTFILE if 17 .. 30;
}
close INFILE or die "can't close $inFile : $!";
close OUTFILE or die "can't close $outFile : $!";