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look
Display lines beginning with a prefix in a sorted file. See also:
grep,sort. More information: https://man.freebsd.org/cgi/man.cgi?look.
- 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-caseand--alphanumare assumed):
look {{prefix}}