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keep
Keep the number of rows only.
Usage
> keep (rows) <subcommand> {flags}
Subcommands
- keep until - Keeps rows until the condition matches.
- keep while - Keeps rows while the condition matches.
Parameters
(rows)Starting from the front, the number of rows to keep
Flags
- -h, --help: Display this help message
Examples
Keep the first row
> echo [1 2 3] | keep
Keep the first four rows
> echo [1 2 3 4 5] | keep 4