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Get movie length

Show directories in the PATH, one per line
Shorter version.

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"

Limit bandwidth usage by any program
Trickle is a voluntary, cooperative bandwidth shaper. it works entirely in userland and is very easy to use. The most simple application is to limit the bandwidth usage of programs.

Remove all but One
$ rm-but() { ls -Q | grep -v "$1" | xargs rm -r ; } Add this to your .bashrc file. Then whenever you need to remove all files/directories but one from present working directory. Run: $ rm-but Notes: 1. This doesn't affect the hidden files. 2. Argument is actually as string. And all files/directories having this string in there name are left untouched.

Download files linked in a RSS feed
The difference between the original version provided and this one is that this one works rather than outputting a wget error

Generate a Random MAC address
Use the following variation for FreeBSD: $ openssl rand 6 | xxd -p | sed 's/\(..\)/\1:/g; s/:$//'

Calculate md5 sums for every file in a directory tree

Convert a string to "Title Case"

Smart renaming
Use 'mmv' for mass renames. The globbing syntax is intuitive.


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