Rename files in a directory randomly

Using Terminal – 

Go to that folder and run the following : 

#!/bin/bash

for file in *.txt ; do
   name=$(tr -dc "[:alnum:]" < /dev/urandom | head -c 10)
   mv "$file" ${name}.txt
done

instead of “.txt” any other extension may be used.
We can change :alnum: to :digit: or :alpha: depending on what we want.

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