NAME ack - grep-like text finder SYNOPSIS ack [options] PATTERN [FILE...] ack -f [options] [DIRECTORY...] DESCRIPTION ack is designed as an alternative to grep for programmers. ack searches the named input FILEs or DIRECTORYs for lines containing a match to the given PATTERN. By default, ack prints the matching lines. If no FILE or DIRECTORY is given, the current directory will be searched. PATTER