Commands by derwiki (2)

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Sort files in folders alphabetically
Creates one letter folders in the current directory and moves files with corresponding initial in the folder.

Remove the first and the latest caracter of a string

Copy structure
Clone directory structure without the files

rapidshare download script in 200 characters

Print a row of 50 hyphens
Perl is installed by default on most modern OS when jot is not.

Using ASCII Art output on MPlayer
Not so useful. Just a cool feature.

send raw data (hex written)using UDP to an IP and port
Use it to send raw data to a networked device. Used to interact with relay controller board whose documentation is lost, so use wireshark to sniff the sent data and replayed using the command.

Dump HTTP header using wget
Let me suggest using wget for obtaining the HTTP header only as the last resort because it generates considerable textual overhead. The first ellipsis of the sample output stands for Spider mode enabled. Check if remote file exists. --2009-03-31 20:42:46-- http://www.example.com/ Resolving www.example.com... 208.77.188.166 Connecting to www.example.com|208.77.188.166|:80... connected. HTTP request sent, awaiting response... and the second one looks for Length: 438 [text/html] Remote file exists and could contain further links, but recursion is disabled -- not retrieving.

Smiley Face Bash Prompt
If your last command was a dud, your bash prompt will be angry at you. Otherwise it's happy. Soon you will crave its constant approval and your linux skills will improve simply to avoid low self-esteem.

Search for a string inside all files in the current directory
shorter typing with no need to use xargs.


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