open my $makefileToProcess, "<", "input_file.txt" or die "input_file.txt: $!";
while (my $line = <$makefileToProcess>)
{
print "LINE BEFORE:$line:\n";
    chomp $line;
print "LINE AFTER:$line:\n";
}

##</code><code>##

LINE BEFORE:xyzCRLF:
LINE AFTER:xyzCR: