shuf

Generate random permutations.

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• Randomize the order of lines in a file and output the result:

shuf {filename}

• Only output the first 5 entries of the result:

shuf --head-count={5} {filename}

• Write the output to another file:

shuf {filename} --output={output_filename}

• Generate 3 random numbers in the range 1-10 (inclusive):

shuf --head-count={3} --input-range={1-10} --repeat

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