xcowsay:tldr:c7877
The command "xcowsay --image=${filename}" is used to display a cow (or any other image) with a speech bubble containing a message on the screen.
Here's an explanation of the different components of the command:
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"xcowsay": This is the main command. "xcowsay" is a program that creates a graphical cow on the screen, inspired by the traditional command-line tool "cowsay". It allows you to display an image along with a text message.
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"--image=${filename}": This is an option of the "xcowsay" command that specifies the image to be displayed. The "${filename}" is a placeholder that should be replaced with the actual filename or path of the image you want to use. For example, if you have an image file named "cow.png" in the current directory, the command would be "xcowsay --image=cow.png". This option is necessary to display the desired image on the screen.
Overall, the command "xcowsay --image=${filename}" is used to show an image of a cow or any other image specified by the filename, along with a speech bubble containing a message.