Using "wc -l" or "sort | uniq -c | sort" to count and classify things. Count pro... | Hacker News

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		criticas on May 3, 2021 \| parent \| context \| favorite \| on: My Favorite One Liners Using "wc -l" or "sort \| uniq -c \| sort" to count and classify things. Count processes and threads by user on Linux: # ps -Teo euser=,comm= \| sort \| uniq -c \| sort -nr

FriedrichN on May 3, 2021 [–]

Another application of this is counting unique IPs in Apache access logs.

  zgrep -Po '^[0-9.]+' /var/log/apache2/test.access.log | sort | uniq -c | sort -n

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