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Url Encode
Returns URL Encoded string from input ($1).

Change MySQL Pager For Nicer Output

Startup a VPN connection through command line

Prepend a text to a file.
Using the sed -i (inline), you can replace the beginning of the first line of a file without redirecting the output to a temporary location.

Advanced python tracing
Trace python statement execution and syscalls invoked during that simultaneously

merge multiple jpgs to one picture vertikal
# convert tool is from deb imagemagick-6.q16 apt install imagemagick-6.q16

Image to color palette generator
Extract a color palette from a image useful for designers. Example usage: $extract-palette myawesomeimage.jpg 4 Where the first argument is the image you want to extract a palette from. The second argument is the number of colors you want. It may be the case where you want to change the search space. In that case, change the -resize argument to a bigger or smaller result. See the ImageMagick documentation for the -resize argument.

Print all fields in a file/output from field N to the end of the line

extract element of xml
Prints the value of a XML node rather than the entire node.

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


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