tldr/pages/common/zfgrep.md

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# zfgrep
> Matches fixed strings in possibly compressed files.
> Equivalent to `grep -F` with input decompressed first if necessary.
> More information: <https://manned.org/zfgrep>.
- Search for an exact string in a file:
`zfgrep {{search_string}} {{path/to/file}}`
- Count the number of lines that match the given string in a file:
`zfgrep --count {{search_string}} {{path/to/file}}`
- Show the line number in the file along with the matching lines:
`zfgrep --line-number {{search_string}} {{path/to/file}}`
- Display all lines except those that contain the search string:
`zfgrep --invert-match {{search_string}} {{path/to/file}}`
- List only filenames whose content matches the search string at least once:
`zfgrep --files-with-matches {{search_string}} {{path/to/file1 path/to/file2 ...}}`