wal:tldr:9c607
The command 'wal -i ${image-png} -l' is used to set a color scheme for your terminal emulator based on the colors extracted from an input image.
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'wal' stands for "write a little". It is a tool used to generate color schemes for terminals, editors, and other applications.
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'-i ${image-png}' specifies the input image file from which the colors will be extracted. The image should be in PNG format.
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'-l' is an optional flag that tells 'wal' to also change the colors of your Linux system, including window managers, file managers, etc. By default, 'wal' only changes the colors of your terminal emulator.
Overall, this command allows you to customize the appearance of your terminal and potentially your entire Linux system using colors extracted from an image.