in reply to getting wrong value
You need sprintf to assign to a scalar. You are getting the value 1 in your $line2 variable as that is what is returned by the successful printf that displays on your screen.
$ perl -E ' > my $line = 55743; > my $line2 = sprintf q{%#x}, $line; > say $line2;' 0xd9bf $
I hope this is helpful.
Cheers,
JohnGG
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