Depending on what you really need to do and how big the task is it may be worth converting the csv file to a database, or at least using DBD::AnyData along with DBI to wrap your csv file up as though it were a database. Column manipulations then become rather straight forward.

Perl is environmentally friendly - it saves trees

In reply to Re: Adding columns to CSV file and adding info under each column by GrandFather
in thread Adding columns to CSV file and adding info under each column by dolo21taf

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