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Getting a Grip on GNU grep

• bnoordhuis 16y ago
  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.
• davnola 16y ago
  Before you invest time in grep, take a look at ack-grep http://betterthangrep.com/ http://betterthangrep.com/. ack-grep --thppt