tldr/pages/osx/look.md

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# look
> Display lines beginning with a prefix in a sorted file.
> See also: `grep`, `sort`.
> More information: <https://keith.github.io/xcode-man-pages/look.1.html>.
- Search for lines beginning with a specific prefix in a specific file:
`look {{prefix}} {{path/to/file}}`
- Case-insensitively search only on alphanumeric characters:
`look {{-f|--ignore-case}} {{-d|--alphanum}} {{prefix}} {{path/to/file}}`
- Specify a string termination character (space by default):
`look {{-t|--terminate}} {{,}}`
- Search in `/usr/share/dict/words` (`--ignore-case` and `--alphanum` are assumed):
`look {{prefix}}`