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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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Get number of users on a minecraft server
I'm flat-out surprised that minecraft directory services require servers install multiple modifications to their server code, when the directories could fetch this information on their own.

Find the package that installed a command

Escape forward slashes in a variable
For example $ path="/etc/apt/sources.list"; echo ${path//'/'/'\/'} will print $ \/etc\/apt\/sources.list

Console clock

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

Add "prefix" on a buch of files

Check if a string is into a variable
Returns true (0) if the string is into $var, or false (1) if not.

Print trending topics on Twitter

list files recursively by size

Kill any process with one command using program name
Somtime one wants to kill process not by name of executable, but by a parameter name. In such cases killall is not suitable method.


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