in reply to Re^3: Need help understanding code snippet with "grep -f"
in thread Need help understanding code snippet with "grep -f"

I think the OP has working code and all is fine.

I don't see any reason at all to quibble. The Perl map{} especially in conjunction with Perl grep{} in the comma format can be hard to understand.

  • Comment on Re^4: Need help understanding code snippet with "grep -f"

In Section Seekers of Perl Wisdom