tabmerge


SYNOPSIS
         tabmerge [action] [options] file1 file2 [...]

       Actions:

         --min                Take only fields present in all files [DEFAULT]
         --max                Take all fields present
         -f|--fields=f1[,f2]  Take only the fields mentioned in the
                              comma-separated list

       Options:

         -l|--list            List available fields
         --fs=x               Use "x" as the field separator
                              (default is tab "\t")
         --rs=x               Use "x" as the record separator
                              (default is newline "\n")
         -s|--sort=f1[,f2]    Sort data ASCII-betically on field(s)
         --stdout             Print data in original delimited format
                              (i.e., not in a table format)

         --help               Show brief help and quit
         --man                Show full documentation

DESCRIPTION
       This program merges the fields -- not the rows -- of delimited text
       files.  That is, if several files are almost but not quite entirely
       unlike each other in their structure (in their field names, numbers or
       orders), this script allows you to easily unify the files into one file
       with all the same fields.  The output can be based on fields as
       determined by the three "action" flags.

       For the following examples, consider three files that contain the
       following fields:

         +------------+---------------------------------+
         | File       | Fields                          |
         +------------+---------------------------------+
         | merge1.tab | name, type, position            |
         | merge2.tab | name, type, position, lod_score |
         | merge3.tab | name, position                  |
         +------------+---------------------------------+

       To list all available fields in the files and the number of times they
       are present:

         $ tabmerge --list merge*
         +-----------+-------------------+
         | Field     | No. Times Present |
         +-----------+-------------------+
         | lod_score | 1                 |
         | name      | 3                 |
         | position  | 3                 |
         | UU189    | 19.0     |
         | Xpsm122  | 3.3      |
         | Xpsr9556 | 4.5      |
         | DRTL     | 2.30     |
         | ALTX     | 4.5      |
         | DWRF     | 10.4     |
         +----------+----------+

       To merge the files and include all the fields:

         $ tabmerge --max merge*
         +-----------+----------+----------+--------+
         | lod_score | name     | position | type   |
         +-----------+----------+----------+--------+
         |           | RM104    | 2.30     | RFLP   |
         |           | RM105    | 4.5      | RFLP   |
         |           | TX5509   | 10.4     | AFLP   |
         | 2.4       | UU189    | 19.0     | SSR    |
         | 1.2       | Xpsm122  | 3.3      | Marker |
         | 1.2       | Xpsr9556 | 4.5      | Marker |
         |           | DRTL     | 2.30     |        |
         |           | ALTX     | 4.5      |        |
         |           | DWRF     | 10.4     |        |
         +-----------+----------+----------+--------+

       To merge and extract just the "name" and "type" fields:

         $ tabmerge -f name,type merge*
         +----------+--------+
         | name     | type   |
         +----------+--------+
         | RM104    | RFLP   |
         | RM105    | RFLP   |
         | TX5509   | AFLP   |
         | UU189    | SSR    |
         | Xpsm122  | Marker |
         | Xpsr9556 | Marker |
         | DRTL     |        |
         | ALTX     |        |
         | DWRF     |        |
         +----------+--------+

       To merge the files on just the "name" and "lod_score" fields and sort
       on the name:

         $ tabmerge -f name,lod_score -s name merge*
         +----------+-----------+
         | name     | lod_score |
         +----------+-----------+
         | ALTX     |           |
         | DRTL     |           |
         | DWRF     |           |
         | RM104    |           |
         | RM105    |           |
         DWRF
         RM104
         RM105
         TX5509
         UU189   2.4
         Xpsm122 1.2
         Xpsr9556        1.2

       Why would you want to do this?  Suppose you have several delimited text
       files with nearly the same structure and want to create just one file
       from them, but the fields may be in a different order in each file
       and/or some files may contain more or fewer fields than others.  (As
       far-fetched as it may seem, it happens to the author more than he'd
       like.)

SEE ALSO
       o   Text::RecordParser

       o   Text::TabularDisplay

AUTHOR
       Ken Youens-Clark <kclark@cpan.org>.

LICENSE AND COPYRIGHT
       Copyright (C) 2006-10 Ken Youens-Clark.  All rights reserved.

       This program is free software; you can redistribute it and/or modify it
       under the terms of the GNU General Public License as published by the
       Free Software Foundation; version 2.

       This program is distributed in the hope that it will be useful, but
       WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       General Public License for more details.



perl v5.10.1                      2010-10-17                      TABMERGE(1p)
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