Commands by homoludens (7)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Remove space and/or tab characters at the end of line
The command removes all space and/or tabulation characters preceding new line

List all symbolic links in current directory
why go through the hard way? use find with -type l

Find passwords that has been stored as plain text in NetworkManager

check open ports without netstat or lsof

Open a manpage in the default (graphical) web browser
An easy alias for opening a manpage, nicely HTML formatted, in your set internet browser. If you get a "command exited with status 3" error you need to install groff.

use mplayer to watch Apple Movie Trailer instead of quicktime player
http://trailers.apple.com/trailers/ just copy the .mov link and use mplayer to stream

Sort movies by length, longest first
Sort .avi movies by time length, print the longest first, and so on...

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

remove leading blank lines

Generate White Noise
This command will generate white noise through your speakers (assuming you have sound enabled). It's good for staying focused, privacy, coping with tinnitus, etc. I use it to test that the sound works.


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