uuidgen

#!/bin/bash

# example uuid: 7d80649a-bf90-4427-af9a-11c569545d25

HEX_DATA=$(cat /dev/urandom|head -c 512|xxd -ps -c 1)

# C1
A1=$(echo $HEX_DATA|awk '{print $1}')
A2=$(echo $HEX_DATA|awk '{print $2}')
A3=$(echo $HEX_DATA|awk '{print $3}')
A4=$(echo $HEX_DATA|awk '{print $4}')

A5=$(echo $HEX_DATA|awk '{print $5}')
A6=$(echo $HEX_DATA|awk '{print $6}')

A7=$(echo $HEX_DATA|awk '{print $7}')
A8=$(echo $HEX_DATA|awk '{print $8}')

A9=$(echo $HEX_DATA|awk '{print $9}')
A10=$(echo $HEX_DATA|awk '{print $10}')

A9=$(echo $HEX_DATA|awk '{print $9}')
A10=$(echo $HEX_DATA|awk '{print $10}')

A11=$(echo $HEX_DATA|awk '{print $11}')
A12=$(echo $HEX_DATA|awk '{print $12}')
A13=$(echo $HEX_DATA|awk '{print $13}')
A14=$(echo $HEX_DATA|awk '{print $14}')
A15=$(echo $HEX_DATA|awk '{print $15}')
A16=$(echo $HEX_DATA|awk '{print $16}')

# OUT UUID

printf "${A1}${A2}${A3}${A4}-${A5}${A6}-${A7}${A8}-${A9}${A10}-${A11}${A12}${A13}${A14}${A15}${A16}\n"