in reply to Re^2: Need to write a file joining data in another two
in thread Need to write a file joining data in another two

True, but it will do no harm and will emit a warning (unitialized value) with the correct input file line number, which is usually as much as you can hope for in this case.
  • Comment on Re^3: Need to write a file joining data in another two

In Section Seekers of Perl Wisdom