shuf

Generate random permutations.

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

shuf {{filename}}

• Only output the first 5 entries of the result:

shuf -n {{5}} {{filename}}

• Write output to another file:

shuf {{filename}} -o {{output_filename}}

• Generate random numbers in range 1-10:

shuf -i {{1-10}}