Allow setting the header for csv, tsv, and ssv manually #3778
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This adds a new `--header <header>` option to the `xsv` parser, and by extension the `csv`, `tsv`, and `ssv` parsers. When set, the new option effectively adds a line at the top of the input. This is useful when parsing values from a file without a header, which is quite the common occurrence.
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Co-authored-by: Matthias Vallentin <matthias@vallentin.net>
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This adds a new
--header <header>option to thexsvparser, and by extension thecsv,tsv, andssvparsers. When set, the new option effectively adds a line at the top of the input. This is useful when parsing values from a file without a header, which is quite the common occurrence.