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Here's my version. It's a bit lengthy but I prefer it since it's all Bash.
There are 9 alternatives - vote for the best!
Ever need to get some text that is a specific number of characters long? Use this function to easily generate it! Doesn't look pretty, but sure does work for testing purposes!
Using urandom to get random data, deleting non-letters with tr and print the first $1 bytes.
If you don't have seq, you can use perl.
If you can do better, submit your command here.
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