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May 19, 2015 - A Look At The New Commandlinefu
I've put together a short writeup on what kind of newness you can expect from the next iteration of clfu. Check it out here.
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Functions

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

Terminal - 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
2015-08-18 17:58:21
User: flatcap
Functions: find grep sort uniq
1
Print all open regular files sorted by the number of file handles open to each.

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

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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)$" | ...

Alternatives

There are 3 alternatives - vote for the best!

Terminal - Alternatives
sudo lsof | egrep 'w.+REG' | awk '{print $10}' | sort | uniq -c | sort -n
2015-08-18 14:09:02
User: kennethjor
Functions: awk egrep sort sudo uniq
1

This command run fine on my Ubuntu machine, but on Red Hat I had to change the awk command to `awk '{print $10}'`.

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

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