Commands by DEinspanjer (9)

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Title Case Files
All words of the filenames except "a", "of", "that" and "to" are capitalized. To also match words which begin with a specific string, you can use this: $ rename 's/\b((?!hello\b|t)[a-z]+)/\u$1/g' * This will capitalize all words except "hello" and words beginning with "t".

Scan your LAN for unauthorized IPs
populate the auth.hosts file with a list of IP addresses that are authorized to be in use and when you run this command it will return the addresses that are pingable and not in the authorized list. Can be combined with the "Command line Twitter" command to tweet unauthorized access.

Print a list of standard error codes and descriptions.
Written by jmcnamara Taken from http://www.perlmonks.org/?node_id=274896

Display usb power mode on all devices

Function to split a string into an array

%s across multiple files with Vim
src: http://www.ibrahim-ahmed.com/2008/01/find-and-replace-in-multiple-files-in.html

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"

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".

Write comments to your history.
A null operation with the name 'comment', allowing comments to be written to HISTFILE. Prepending '#' to a command will *not* write the command to the history file, although it will be available for the current session, thus '#' is not useful for keeping track of comments past the current session.


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