Commands by incidentnormal (3)

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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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Print only the odd lines of a file (GNU sed)
The tilde address operator is an extension of GNU sed. It won't work with POSIX sed.

Rapidly invoke an editor to write a long, complex, or tricky command
Allows you to edit your command using your chosen editor. Works in bash with "set -o vi".

Print a random 8 digit number
Don't need to pipe the output into rs if you just tell jot to use a null separator character.

Create a single PDF from multiple images with ImageMagick
Given some images (jpg or other supported formats) in input, you obtain a single PDF file with an image for every page.

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Get count of kilobytes brew cleanup would free

Find the package that installed a command

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

find geographical location of an ip address
a shorter version

Rip DVD to YouTube ready MPEG-4 AVI file using mencoder
Rip DVD to YouTube ready AVI file, using MPEG-4 video codec and MP3 audio codec. Resizes to 320x240 and deinterlaces as needed.


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