shuf

Generate random permutations. More information: https://www.gnu.org/software/coreutils/shuf.

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

shuf {{path/to/file}}

• Only output the first 5 entries of the result:

shuf --head-count=5 {{path/to/file}}

• Write the output to another file:

shuf {{path/to/input_file}} --output={{path/to/output_file}}

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

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