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cheatsheet-tldr/tldr/patch
2025-10-10 00:19:31 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# patch
> Patch a file (or files) with a diff file.
> Note that diff files should be generated by the `diff` command.
> More information: <https://manned.org/patch>.
- Apply a patch using a diff file (filenames must be included in the diff file):
`patch < {{patch.diff}}`
- Apply a patch to a specific file:
`patch < {{patch.diff}} {{path/to/file}}`
- Patch a file writing the result to a different file:
`patch < {{patch.diff}} {{path/to/input_file}} {{[-o|--output]}} {{path/to/output_file}}`
- Apply a patch to the current directory:
`patch < {{patch.diff}} {{[-p|--strip]}} 1`
- Apply the reverse of a patch:
`patch < {{patch.diff}} {{[-R|--reverse]}}`