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Re: Appending new column data to CSV file?

by moritz (Cardinal)
on Aug 04, 2013 at 16:44 UTC ( #1047805=note: print w/replies, xml ) Need Help??

in reply to Appending new column data to CSV file?

Here is a pointer: Instead of printing the data, store it in a data structure that is declared outside the outer foreach loop. Then when you are done with all input files, write the output into a single file.

If you haven't yet worked with nested data structures in Perl, I can recommend perlreftut, perldsc and perllol (the latter for arrays of arays).

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