Read and Write Comma Separated Values (CSV) Files

CSV_IO, a FORTRAN90 code which reads and writes files that use the CSV (comma separated values) format.


The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.


CSV_IO is available in a FORTRAN90 version.

Related Data and Programs:

CSV, a data directory which contains examples of Comma Separated Value files;


TABLE_IO, a FORTRAN90 code which reads and writes TABLE files.


  1. Yakov Shafranovich,
    RFC 4180: Common Format and MIME Type for Comma-Separated Values (CSV) Files,
    October 2005.

Source Code:

Last revised on 12 June 2020.