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ack
A search tool like
grep, optimized for developers. See also:rg, which is much faster. More information: https://beyondgrep.com/documentation.
- Search for files containing a string or regular expression in the current directory recursively:
ack "{{search_pattern}}"
- Search for a case-insensitive pattern:
ack {{[-i|--ignore-case]}} "{{search_pattern}}"
- Search for lines matching a pattern, printing [o]nly the matched text and not the rest of the line:
ack {{[-o|--output='$&']}} "{{search_pattern}}"
- Limit search to files of a specific type:
ack {{[-t|--type]}} {{ruby}} "{{search_pattern}}"
- Do not search in files of a specific type:
ack {{[-t|--type]}} no{{ruby}} "{{search_pattern}}"
- Count the total number of matches found:
ack {{[-c|--count]}} {{[-h|--no-filename]}} "{{search_pattern}}"
- Print the file names and the number of matches for each file only:
ack {{[-c|--count]}} {{[-l|--files-with-matches]}} "{{search_pattern}}"
- List all the values that can be used with
--type:
ack --help-types