--[no]env | Ignore environment variables and global ackrc files |
--ackrc=filename | Specify an ackrc file to use |
--ignore-ack-defaults | Ignore the default definitions that ack includes |
--create-ackrc | Outputs a default ackrc for your customization to standard output |
--help, -? | Display help |
--help-types | Display all known types |
--dump | Dump information on which options are loaded from which RC files |
--[no]filter | Force ack to treat standard input as a pipe (--filter) or tty (--nofilter) |
--man | Man page |
--version | Display version and copyright |
--thpppt | Bill the Cat |
--bar | The warning admiral |