NAME:
grep - search for patterns in files
USAGE:
grep [OPTIONS] PATTERN [FILE...]
Search for PATTERN in each FILE.
When no FILE is specified, read from standard input.
PATTERN is a fixed-string match by default.
VERSION:
dev
GLOBAL OPTIONS:
--ignore-case, -i ignore case distinctions
--invert-match, -v select non-matching lines
--line-number, -n prefix each line with its line number
--count, -c print only a count of matching lines
--word-regexp, -w match only whole words
--line-regexp, -x match only whole lines
--extended-regexp, -E interpret PATTERN as an extended regular expression
--help, -h show help
--version print version information and exit