grep—searches a file for a pattern (See Chapter 3)

grep  [-[AB] NUM] [-CEFGVbchiLlnqsvwxyUu] [-e PATTERN | -f FILE]
   [--extended-regexp] [--fixed-strings] [--basic-regexp]
   [--regexp=PATTERN] [--file=FILE] [--ignore-case] [--word-regexp]
   [--line-regexp] [--line-regexp] [--no-messages] [--revert-match]
   [--version] [--help] [--byte-offset] [--line-number]
   [--with-filename] [--no-filename] [--quiet] [--silent]
   [--files-without-match] [--files-with-matcces] [--count]
   [--before-context=NUM] [--after-context=NUM] [--context] [--binary]
   [--unix-byte-offsets] files…

grep searches the named input files (or standard input if no files are named, or the - filename is given) for lines containing a match to the given pattern. By default, grep prints the matching ...

Get Linux Shells by Example now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial