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The same thing using only Bash built-in's.
For readability I've kept the variables out, but it could me made extremely more compact (and totally unreadable!) by stuffing everything inside the single echo command.
There are 16 alternatives - vote for the best!
I used only shuf command.
random file from files in directory
Also looks in subfolders
Here's a bash version using an array.
Choose random file from current folder. Avoids using ls.
If you can do better, submit your command here.
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