ack
ack
TLDR
Find files containing "foo"
$ ack [foo]
Find files of a specific type
$ ack --ruby [foo]
Count the total number of matches for the term "foo"
$ ack -ch [foo]
Show the file names containing "foo" and number of matches in each file
$ ack -cl [foo]
Search a file for a specified string
$ ack bar "[foo bar]" [path/to/file]
Search a file for the specified regex pattern
$ ack bar "[[bB]ar \d+]" [path/to/file]
List all valid types
$ ack --help-types
