awesome/the-art-of-command-line
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Include invert-match flag for grep.

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I'd argue that the -v (--invert-match) flag is as important a flag as -o (no offense to -o). Can't tell you how many times I've tailed a logfile and piped it through grep -v to filter out stuff I knew was legit or common.
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Bryce Jasmer 2015-07-15 09:26:59 -07:00
parent 155f81f3be
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@ -63,7 +63,7 @@ Notes:
- Basic network management: `ip` or `ifconfig`, `dig`.
- Know regular expressions well, and the various flags to `grep`/`egrep`. The `-i`, `-o`, `-A`, and `-B` options are worth knowing.
- Know regular expressions well, and the various flags to `grep`/`egrep`. The `-i`, `-o`, `-v`, `-A`, and `-B` options are worth knowing.
- Learn to use `apt-get`, `yum`, `dnf` or `pacman` (depending on distro) to find and install packages. And make sure you have `pip` to install Python-based command-line tools (a few below are easiest to install via `pip`).