Commands by jlaunay (16)

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Remove today's Debian installed packages
Adapted using your usefull comments !

download the contents of a remote folder in the current local folder

List the size (in human readable form) of all sub folders from the current location
Sorted in human readable format.

Hide or show Desktop Icons on MacOS
Hides all Files and Folders on the MacOS Desktop. To show files and folders, type "true" instead of "false". "Finder" at the end is case sensitive, "finder" doesn’t work

Convert from octal format to umask
Umask is obtained subtracting 7 from each cypher of octal format. I store octal perm format in an array,then for each element of array I subtract 7. The result is the umask.

Gets the last string of previous command with !$
It helps you save a lot of writing :-)

Extracting frames from a video as jpeg files
This command extracts 10 seconds worth of frames, starting from 00:15:45 position, from filename.avi and stores them into out_frames folder as jpeg files. Subtitles are turned off with -sid 999 option.

Remove a range of lines from a file

Pick a random line from a file

write by vim need root privilege


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