Commands by axelabs (11)

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What is my public IP address
Clean output, if used in scripts: $ GET checkip.dyndns.org|grep -o '[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}' or $ GET icanhazip.com

Send an email from the terminal when job finishes
Might as well include the status code it exited with so you know right away if it failed or not.

Ping xxx.xxx.xxx.xxx ip 100000 times with size 1024bytes

Calculate days on which Friday the 13th occurs (inspired from the work of the user justsomeguy)
Friday is the 5th day of the week, monday is the 1st. Output may be affected by locale.

find out how many days since given date
Exactly the same number of characters, exactly the same results, but with bc

Emptying a text file in one shot
Within vi allow to empty a text file in one shot

Syntax Highlight your Perl code
This uses Text::Highlight to output the specified Perl file with syntax highlighting. A better alternative is my App::perlhl - find it on the CPAN: http://p3rl.org/App::perlhl

list block devices
Shows all block devices in a tree with descruptions of what they are.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Translate your terminal into Swedish Chef
Bork, bork, bork! To keep it short, the first terminal line doesn't show a prompt.


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