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I would like to receive newsletters via email. This is useful when looking for matches that are related to each other. The -w option, which tells ack to only find whole-word matches, did not always work if your pattern began or ended with puncutation.
Now, ack disallows regexes that begin or end with non-word characters. This means that if you use ack -w foo: , the new ack will not allow it, whereas ack 2. For those without --smart-case always on, the -S will be easier for when you do want to use it. Smart-case matching makes ack do a case-insensitive search unless the pattern being matched has a capital letter in it. If you use --smart-case in your. Run times for ack 3 compared to ack 2.
Read how. I started using ack a while ago and it's amazing, but still begs the question:. Or maybe is there something grep does that ack can't do? They both run faster than ack. It sounds like you're trying to decide if you should abandon grep and use ack all the time, and I suggest that you should not.
You should use both grep and ack when it's appropriate. Basically, ack is for searching source code, and grep is for general-purpose searching. Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Learn more. Is there anything grep does better than ack? Asked 7 years, 4 months ago.
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