http://www.perlmonks.org?node_id=1091025


in reply to Compare and group unmatched records from 2 CSV files together

Would csvdiff meet your needs? Also able to spit out the diff in HTML

$ csvdiff --help
usage: csvdiff [--no-color] [--html] file.csv file.csv
  provides colorized diff on sorted CSV files
  assuming first line is header and first field is the key
$

[download]

Enjoy, Have FUN! H.Merijn

In Section Seekers of Perl Wisdom