Shuf

shuf shuffles input and generates random permutations; shuf is part of the GNU coreutils

Origin

Provided by the GNU Coreutils: man page

Overview

This is not a complete list of options:

• -e treat each ARG as an input
• -i specifies a range of numbers
• -n how many lines to generate
• -o save output to file
• -z ends with 0 byte instead of newline

Examples

$ shuf -e bagels brownies oranges coke
brownies
coke
bagels
oranges

Generate 10 random numbers from 1000 to 10000:

shuf -i 1000-10000 -n 10

Generate 10 random numbers and save to file:

shuf -i 1000-10000 -n 10 -o mynumbers.txt

Roll 5 dice:

shuf -i 1-6 -n 5

See also

• sort
• uniq

• View commands list

External links

• GNU coreutils manual - shuf
• man-wiki.net - shuf

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