#! perl -sw
use strict;

print pack 'A45 A*', split /\|/ while <DATA>;

__DATA__
ABCDEFGHIJKLMNOPQRST|1234
ABCDEFGHI|12345
ABCDE|1234
ABCDEFGHIJKL|123
ABCDEFG|123456
ABCDEFGHIJKLMNO|12