maincombine: Extensible File Matching and Filtering - Summary

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Id: 5599
System Name: combine
Name: combine: Extensible File Matching and Filtering
Group Type: Official GNU software

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This software is part of the GNU Project.

GNU Combine joins, rearranges fields in, reformats, and sometimes summarizes flat files or other data files. It is extensible with Guile, and doesn't need sorted files (if you have enough memory).

Registration Date: Wed 29 Oct 2003 02:21:45 PM UTC
License: GNU General Public License v3 or later
Development Status: 5 - Production/Stable


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combine 0.4 available
     posted by dpv, Tue 30 Jul 2013 02:55:02 AM UTC

GNU Combine is a utility for working with text files in their original formats to reformat them, join them together (without requiring sorting), and to keep track of the results of joins.

The package home page is at where you can find general information and manuals. [...]

combine 0.3 available
     posted by dpv, Thu 30 Oct 2003 07:44:11 PM UTC

The first public release of combine, version 0.3, has been released, and is now available at

The program matches files on arbirtry keys using a hash table, and reports on the matches (or lack thereof).  It uses Guile for extensibility, including a calendar module for converting and comparing dates (adapted from the Emacs calendar), and it deals with such things as hierarchies and outer joins with aplomb.

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