2024-02-04 16:06:50 +00:00
|
|
|
# look
|
|
|
|
|
|
|
|
|
|
> Display lines beginning with a prefix in a file.
|
2024-02-05 07:04:49 +00:00
|
|
|
> Note: the lines in the file must be sorted.
|
2024-02-04 16:06:50 +00:00
|
|
|
> See also: `grep`, `sort`.
|
|
|
|
|
> More information: <https://manned.org/look>.
|
|
|
|
|
|
|
|
|
|
- Search for lines beginning with a specific prefix in a specific file:
|
|
|
|
|
|
|
|
|
|
`look {{prefix}} {{path/to/file}}`
|
|
|
|
|
|
|
|
|
|
- Case-insensitively search only on blank and alphanumeric characters:
|
|
|
|
|
|
|
|
|
|
`look -{{f|-ignore-case}} -{{d|-alphanum}} {{prefix}} {{path/to/file}}`
|
|
|
|
|
|
|
|
|
|
- Specify a string [t]ermination character (space by default):
|
|
|
|
|
|
|
|
|
|
`look -{t|-terminate} {{,}}`
|
|
|
|
|
|
|
|
|
|
- Search in `/usr/share/dict/words` (`--ignore-case` and `--alphanum` are assumed):
|
|
|
|
|
|
|
|
|
|
`look {{prefix}}`
|
|
|
|
|
|
|
|
|
|
- Search in `/usr/share/dict/web2` (`--ignore-case` and `--alphanum` are assumed):
|
|
|
|
|
|
|
|
|
|
`look -{{a|-alternative}} {{prefix}}`
|
