Print all open regular files sorted by the number of file handles open to each.

find /proc/*/fd -xtype f -printf "%l\n" | grep -P '^/(?!dev|proc|sys)' | sort | uniq -c | sort -n

List all open files of all processes. . find /proc/*/fd Look through the /proc file descriptors . -xtype f list only symlinks to file . -printf "%l\n" print the symlink target . grep -P '^/(?!dev|proc|sys)' ignore files from /dev /proc or /sys . sort | uniq -c | sort -n count the results . Many processes will create and immediately delete temporary files. These can the filtered out by adding: ... | grep -v " (deleted)$" | ...

Sample Output

...
3 /var/log/squid/cache.log
5 /home/flatcap/.cache/tracker/meta.db-shm
5 /home/flatcap/.mozilla/firefox/bjt6fky6.default/places.sqlite
5 /home/flatcap/.mozilla/firefox/bjt6fky6.default/places.sqlite-wal
7 /home/flatcap/.cache/tracker/meta.db
7 /home/flatcap/.cache/tracker/meta.db-wal

By: flatcap

2015-08-18 17:58:21

find grep sort uniq sort uniq find grep

2 Alternatives + Submit Alt

Print all open regular files sorted by the number of file handles open to each.

This command run fine on my Ubuntu machine, but on Red Hat I had to change the awk command to `awk '{print $10}'`.
This is sample output - yours may be different.
1

sudo lsof | egrep 'w.+REG' | awk '{print $10}' | sort | uniq -c | sort -n

kennethjor · 2015-08-18 14:09:02 10
Print all open regular files sorted by the number of file handles open to each.
This is sample output - yours may be different.
0

lsof -a -d 1-99 -Fn / | grep ^n | cut -b2- | sort | uniq -c | sort -n

sesom42 · 2015-08-18 16:55:49 9

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What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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