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}} --output={{path/to/output}}
• Generate 3 random numbers in the range 1-10 (inclusive):
  shuf --head-count={{3}} --input-range={{1-10}} --repeat