Commands by vranx (8)

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Show all available colors on your terminal.
Using perl and tput, show all the colors with numbers that your actual $TERM can handle. If want to remove the numbers at beginning of new line, it should be something like this: $perl -E 'say `tput setb $_`," "x `tput cols`, `tput sgr0` for 0 .. (`tput colors` - 1)'

history autocompletion with arrow keys
This will enable the possibility to navigate in the history of the command you type with the arrow keys, example "na" and the arrow will give all command starting by na in the history.You can add these lines to your .bashrc (without &&) to use that in your default terminal.

Generate hash( of some types) from string
No need to install yet another program when openssl is already installed. :-)

Continuously show wifi signal strength on a mac
The closer to zero the better.Credit to TheSeb on macrumors: http://forums.macrumors.com/showthread.php?t=1289884

Erase to factory a pendrive, disk or memory card, and watch the progress

Replace + Find

Tail postfix current maillog and grep for "criteria"
Tail curren postfix maillog.

download specific files only from a website

Paste OS X clipboard contents to a file on a remote machine
Redirects the contents of your clipboard through a pipe, to a remote machine via SSH.

Extract a bash function
I often need to extract a function from a bash script and this command will do it.


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