csvtool

Utility to filter and extract data from CSV formatted sources.

TLDR

Extract the second column from a CSV file

$ csvtool --column [2] [path/to/file.csv]
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Extract the second and fourth columns from a CSV file

$ csvtool --column [2,4] [path/to/file.csv]
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Extract lines from a CSV file where the second column exactly matches 'Foo'

$ csvtool --column [2] --search '[^Foo$]' [path/to/file.csv]
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Extract lines from a CSV file where the second column starts with 'Bar'

$ csvtool --column [2] --search '[^Bar]' [path/to/file.csv]
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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]
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