Commands by themiurgo (3)

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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Convert CSV to JSON
Replace 'csv_file.csv' with your filename.

directory size with subdirectories, sorted list

check open ports without netstat or lsof

Measure, explain and minimize a computer's electrical power consumption
Run this command as root to get enough stats. It works on AMD and Intel machines, including desktops. If ran on a laptop it'll give you suggestions on extending your battery life. You'll need to install PowerTOP if you don't have, via 'apt-get install powertop', etc. To grep the output use: sudo powertop -d | grep ... The many command suggestions PowerTOP gives you alone will increase your command-line fu!

phpinfo from the command line
php -i seems to show default not real

list files in 'hitlar' mode
Was playing with the shell. It struck to me, just by rearranging the parameters, i was able to remember what they did and in a cool way. Enter the 'hitlar' mode. bash-3.2$ ls -hitlar Shows all items with inodes, in list view, human readable size, sorted by modification time in reverse, bash-3.2$ ls -Fhitlar Shows the same with classification info. Add the hitlar mode alias to your .bashrc. bash-3.2$ echo "alias hitlar='ls -Fhitlar'" >> ~/.bashrc bash-3.2$ hitlar bash-3.2$ hitlar filename

Show allocated disk space:

Change files case, without modify directories, recursively
Change files case, without modify directories, recursively. ... fucking vfat

Google text-to-speech in mp3 format

Get your external IP address ( 10 characters long )
Shortest url to a external IP-service, 10 characters.


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