tldr/pages/common/grep.md

698 B

grep

Matches patterns in input text Supports simple patterns and regular expressions

  • search for an exact string

grep {{something}} {{file_path}}

  • search recursively in current directory for an exact string

grep -r {{something}} .

  • use a regex

grep -e {{^regex$}} {{file_path}}

  • see 3 lines of context

grep -C 3 {{something}} {{file_path}}

  • print the count of matches instead of the matching text

grep -c {{something}} {{file_path}}

  • print line number for each match

grep -n {{something}} {{file_path}}

  • use the standard input instead of a file

cat {{file_path}} | grep {{something}}

  • invert match for excluding specific strings

grep -v {{something}}