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Command: grep

grep utility

SYNOPSYS

  • grep [-ncisw] string filename
  • grep -h

DESCRIPTION

grep display all lines of a text file that contain a string.

OPTIONS

  • -h^GDisplay command syntax
  • -n^GShow line numbers
  • -c^GCount only the matching lines
  • -i^GIgnore case
  • -w^GString can use wildcards *, ?, ^ and $
  • -s^GSilent mode

EXAMPLES

  • grep error menu.sub
  • grep -n "level 1" menu.sub
  • grep -i ERROR menu.sub
  • grep -ni 'level 2' menu.sub
  • grep -w '*lev?? 2*'menu.sub
  • grep -w '^if' menu.sub
  • grep -w 'error$' menu.sub
  • grep -w 'if*level ??' menu.sub

SOURCE

https://github.com/orix-software/grep


Last update: 2022-07-23