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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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convert ascii string to hex
You can use "decode()" in a similar manner: $ python -c 'print "68656c6c6f".decode("hex")'

highlight with grep and still output file contents

recursively walk down no more than three levels and grab any file with an extension of mp3, mpg, mpeg, or avi

random xkcd comic as xml

Pretty Print a simple csv in the command line
Will handle pretty much all types of CSV Files. The ^M character is typed on the command line using Ctrl-V Ctrl-M and can be replaced with any character that does not appear inside the CSV. Tips for simpler CSV files: * If newlines are not placed within a csv cell then you can replace `map(repr, r)` with r

Show directories in the PATH, one per line
This version uses Pipes, but is easier for the common user to grasp... instead of using sed or some other more complicated method, it uses the tr command

Remove security limitations from PDF documents using QPDF
Remove security restrictions from PDF documents using this very simple command on Linux and OSX. You need QPDF installed (http://qpdf.sourceforge.net/) for this to work.

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Programmatic way to find and set your timezone

Generate Random Text based on Length


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