tldr/pages/common/csvtool.md

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2020-10-19 17:38:57 +01:00
# csvtool
> Utility to filter and extract data from CSV formatted sources.
> More information: <https://github.com/maroofi/csvtool>.
- Extract the second column from a CSV file:
`csvtool --column {{2}} {{path/to/file.csv}}`
- Extract the second and fourth columns from a CSV file:
`csvtool --column {{2,4}} {{path/to/file.csv}}`
- Extract lines from a CSV file where the second column exactly matches 'Foo':
`csvtool --column {{2}} --search '{{^Foo$}}' {{path/to/file.csv}}`
- Extract lines from a CSV file where the second column starts with 'Bar':
`csvtool --column {{2}} --search '{{^Bar}}' {{path/to/file.csv}}`
- Find lines in a CSV file where the second column ends with 'Baz' and then extract the third and sixth columns:
`csvtool --column {{2}} --search '{{Baz$}}' {{path/to/file.csv}} | csvtool --no-header --column {{3,6}}`