Getting a Grip on GNU grep

by obsaysdittoon 6/10/2010, 6:10:54 PM with 2 comments
  • by bnoordhuison 6/10/2010, 8:06:44 PM

    From TFA:

      grep '[[:punct:]]$' files
    I suspect the author has grep aliased to `egrep` or `grep -E` because [:punct:] is an extended regular expression and GNU grep defaults to basic RE mode.

  • by davnolaon 6/10/2010, 8:39:21 PM

    Before you invest time in grep, take a look at ack-grep http://betterthangrep.com/.

      ack-grep --thppt