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open path with your default program (on Linux/*BSD)
open [path] in the default program, regardless of which Desktop Environment you use (KDE, GNOME, etc.) Works on all "freedesktop.org" compatible desktop environments

Google URL shortener
(1) required: python-googl ( install by: pip install python-googl ) (2) get from google API console https://code.google.com/apis/console/

generate random password
for Mac OS X

Show used disk space:

Bitcoin Brainwallet Checksum Calculator
A bitcoin "brainwallet" is a secret passphrase you carry in your brain. The Bitcoin Brainwallet Exponent Calculator is the second of three functions needed to calculate a bitcoin PRIVATE key. Roughly, checksum is the first 8 hex digits of sha256(sha256(0x80+sha256(passphrase))) Note that this is a bash function, which means you have to type its name to invoke it

Random IPv4 address

Install pip with Proxy
Installs pip packages defining a proxy

Smart `cd`.. cd to the file directory if you try to cd to a file
This little function will smarten 'cd'. If you try to cd into a file (which I guess we all have done), it cd's into the directory of that file instead. I had to use nesten if's, to get cd to still work with 'cd' (to get to $HOME), 'cd -' (to get to last directory), and 'cd foo\ bar'.

Remove all but one specific file

ascii digital clock
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