CSV_IO
Read and Write Comma Separated Values (CSV) Files

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

Licensing:

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

Languages:

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 library which reads and writes TABLE files.

Reference:

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

Source Code:

• csv_io.f90, the source code.

Examples and Tests:

• csv_io_test.f90, a sample calling program.
• csv_io_test.txt, the output file.

List of Routines:

• CSV_COUNT counts the number of values in a CSV record.
• CSV_FILE_CLOSE_WRITE closes a CSV file for writing.
• CSV_FILE_HEADER_WRITE writes a header to a CSV file.
• CSV_FILE_LINE_COUNT counts the number of lines in a CSV file.
• CSV_FILE_RECORD_WRITE writes a record to a CSV file.
• CSV_FILE_OPEN_WRITE opens a CSV file for writing.
• CSV_RECORD_APPEND_I4 appends an I4 to a CSV record.
• CSV_RECORD_APPEND_S appends a string to a CSV record.
• GET_UNIT returns a free FORTRAN unit number.
• I4_LOG_10 returns the integer part of the logarithm base 10 of an I4.
• I4_WIDTH returns the "width" of an I4.
• TIMESTAMP prints the current YMDHMS date as a time stamp.

You can go up one level to the FORTRAN90 source codes.