grep

یافتن الگو در فایل ها به کمک عبارات با قاعده. اطلاعات بیشتر: https://www.gnu.org/software/grep/manual/grep.html.

grep "{{search_pattern}}" {{path/to/file}}

grep {{[-F|--fixed-strings]}} "{{exact_string}}" {{path/to/file}}

grep {{[-rnI|--recursive --line-number --binary-files=without-match]}} "{{search_pattern}}" {{path/to/directory}}

grep {{[-Ei|--extended-regexp --ignore-case]}} "{{search_pattern}}" {{path/to/file}}

grep {{--context|--before-context|--after-context}} 3 "{{search_pattern}}" {{path/to/file}}

grep {{[-Hn|--with-filename --line-number]}} --color=always "{{search_pattern}}" {{path/to/file}}

grep {{[-o|--only-matching]}} "{{search_pattern}}" {{path/to/file}}

cat {{path/to/file}} | grep {{[-v|--invert-match]}} "{{search_pattern}}"