## Name grep ## Synopsis ```sh $ grep [--recursive] [--extended-regexp] [--fixed-strings] [--regexp Pattern] [--file File] [-i] [--line-numbers] [--invert-match] [--quiet] [--no-messages] [--binary-mode ] [--text] [-I] [--color WHEN] [--count] [file...] ``` ## Options * `-r`, `--recursive`: Recursively scan files * `-E`, `--extended-regexp`: Extended regular expressions * `-F`, `--fixed-strings`: Treat pattern as a string, not a regexp * `-e Pattern`, `--regexp Pattern`: Pattern * `-f File`, `--file File`: Read patterns from a file * `-i`: Make matches case-insensitive * `-n`, `--line-numbers`: Output line-numbers * `-v`, `--invert-match`: Select non-matching lines * `-q`, `--quiet`: Do not write anything to standard output * `-s`, `--no-messages`: Suppress error messages for nonexistent or unreadable files * `--binary-mode`: Action to take for binary files ([binary], text, skip) * `-a`, `--text`: Treat binary files as text (same as --binary-mode text) * `-I`: Ignore binary files (same as --binary-mode skip) * `--color WHEN`: When to use colored output for the matching text ([auto], never, always) * `-c`, `--count`: Output line count instead of line contents ## Arguments * `file`: File(s) to process