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piping strace to grep

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linux-howto

http://unix.stackexchange.com – I'm trying to run strace trough ccze, and the pipe doesn't work as expected. The command-line I'm running to test is sudo strace -p $(pgrep apache2) | grep open, and all lines are output, ignoring grep. Is there something special about strace that causes this behavior? (HowTos)