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bug#62483: echo a | grep -E -w '((()|a)|())*' # does not terminate
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From: |
Koen Claessen |
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Subject: |
bug#62483: echo a | grep -E -w '((()|a)|())*' # does not terminate |
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Date: |
Mon, 27 Mar 2023 11:14:17 +0200 |
Hello!
Running the command:
echo a | grep -E -w '((()|a)|())*'
does not terminate, and uses a LOT of processor time, for all versions of
grep I have tried.
This is the smallest case that could be found; simplifying anything in the
input and/or expression leads to correct behavior.
Kind regards,
/Koen
- bug#62483: echo a | grep -E -w '((()|a)|())*' # does not terminate,
Koen Claessen <=