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Copy recursivelly files of specific filetypes
Copying only wmv and mpg files recursively from to

find out which directories in /home have the most files currently open

Find out how old a web page is
I used to use the Firefox "View page info" feature a lot to determine how stale the web page I was looking at was. Now that I use mostly Chrome I miss that feature, so here is a command line alternative using wget. The -S says to display the server response, the --spider says to not download any files/pages, just fetch the header. The output goes to stderr, so to grep it you use 2>&1 to combine the stderr stream with stdout, the pipe that to grep for Last-Modified. You can use curl instead if you have it installed, like this: $ curl --head -s http://osswin.sourceforge.net | grep Mod

Merge *.pdf files
Merge all pdf files in the directory into one pdf file (the out.pdf file)

Multiple variable assignments from command output in BASH
This version uses read instead of eval.

Banner Grabber

display contents of a file w/o any comments or blank lines

Changing the terminal title to the last shell command
You can set the previous bash command as the terminal title by this command. Explanation: -trap assigns a command to execute at a given bash signal. -in the $BASH_COMMAND you find the last command -you can set the terminal title with the escape sequence: \e]0;this is the title\007 -to let the echo care about the backslashes give the -e to it Since trap is a built in bash command you find more informatin in 'man bash'for more Source: http://www.davidpashley.com/articles/xterm-titles-with-bash.html

your terminal sings
you know the song... sing along

Split lossless audio (ape, flac, wav, wv) by cue file

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