Thanks for all the replies, unfortunately a simple grep won't work, as CountZero mentions - a row such as "2 2 9 2 2" would be considered unique, and should not be deleted.


In reply to Re^2: Imputation of data by garyboyd
in thread Imputation of data by garyboyd

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":