https://github.com/pereorga/csvshuf

Randomize cells within columns in a CSV file. Like GNU shuf, but for CSV.
https://github.com/pereorga/csvshuf

command-line command-line-tool console-application csv

Last synced: 29 days ago
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Randomize cells within columns in a CSV file. Like GNU shuf, but for CSV.

• Host: GitHub
• URL: https://github.com/pereorga/csvshuf
• Owner: pereorga
• License: other
• Created: 2016-05-31T22:00:11.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2018-07-17T16:58:40.000Z (over 6 years ago)
• Last Synced: 2024-10-02T19:29:57.727Z (about 1 month ago)
• Topics: command-line, command-line-tool, console-application, csv
• Language: Python
• Homepage:
• Size: 25.4 KB
• Stars: 7
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.rst
  • License: LICENSE.md

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README

        
csvshuf

=======

Shuffle cells by column in CSV files.

Usage

-----

.. code-block:: bash

    usage: csvshuf [-h] [-s] [-c COLUMNS | -C NO_COLUMNS] [-d DELIMITER | -t]

                   [-q QUOTECHAR] [-o OUTPUT_DELIMITER] [-v]

                   [FILE]

    positional arguments:

      FILE                  Input CSV file. If omitted, read standard input.

    optional arguments:

      -s, --sattolo         Use Sattolo shuffle algorithm.

      -c COLUMNS, --columns COLUMNS

                            Comma-separated list of columns to include.

      -C NO_COLUMNS, --no-columns NO_COLUMNS

                            Comma-separated list of columns to exclude.

      -d DELIMITER, --delimiter DELIMITER

                            Input column delimiter.

      -t, --tabbed          Delimit input with tabs.

      -q QUOTECHAR, --quotechar QUOTECHAR

                            Quote character.

      -o OUTPUT_DELIMITER, --output-delimiter OUTPUT_DELIMITER

                            Output column delimiter.

Examples

--------

Shuffle the first column of foobar.csv

    csvshuf -c1 foobar.csv

Shuffle the third column of foobar.csv using Sattolo's algorithm

    csvshuf -c3 -s foobar.csv

Shuffle all columns of foobar.csv

    csvshuf foobar.csv

Shuffle all the columns but the first of foobar.csv

    csvshuf -C1 foobar.csv

Shuffle the first and third columns of the first ten lines of foobar.csv

    head -10 foobar.csv | csvshuf -c 1,3

Shuffle the first and third columns of the pipe-delimited foobar.csv

    csvshuf -c1,3 -d "|" foobar.csv

Shuffle the first and third columns of the tab-delimited foobar.csv

    csvshuf -c 1,3 -t foobar.csv

Shuffle the first three columns of the pipe-delimited foobar.csv; output

will be comma-delimited

    csvshuf -c 1,2,3 -d "|" -o , foobar.csv

Shuffle the first three columns of the comma-delimited foobar.csv;

output will be pipe-delimited

    csvshuf -c 1,2,3 -o "|" foobar.csv

Shuffle the first two columns of the comma-delimited, pipe-quoted

foobar.csv

    csvshuf -c 1,2 -d "," -q "|" foobar.csv

Installation

------------

    pip install csvshuf

or

    pip3 install csvshuf

Author

------

Pere Orga [email protected], 2016.

Originally forked from csvcut (https://gist.github.com/bycoffe/187278).