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cheatsheet-tldr/tldr/linux/csplit
2025-07-26 00:21:07 +00:00

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---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# csplit
> Split a file into pieces.
> This generates files named "xx00", "xx01", and so on.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/csplit-invocation.html>.
- Split a file at lines 5 and 23:
`csplit {{path/to/file}} 5 23`
- Split a file every 5 lines (this will fail if the total number of lines is not divisible by 5):
`csplit {{path/to/file}} 5 {*}`
- Split a file every 5 lines, ignoring exact-division error:
`csplit {{[-k|--keep-files]}} {{path/to/file}} 5 {*}`
- Split a file at line 5 and use a custom prefix for the output files:
`csplit {{path/to/file}} 5 {{[-f|--prefix]}} {{prefix}}`
- Split a file at a line matching a `regex`:
`csplit {{path/to/file}} /{{regex}}/`