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Ajnasz/rand.sh

Created October 7, 2022 07:32
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shell function to generate random number from shell using /dev/urandom
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rand.sh
#!/bin/sh
# function to generate random number from shell using /dev/urandom
# https://unix.stackexchange.com/questions/268952/using-dev-random-dev-urandom-to-generate-random-data
rand() {
bytes=${1:-1}
od -vAn -N$bytes -tu2 < /dev/urandom | sed 's/\s\+//g'
}
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