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selbyk/rand_hex.sh

Last active June 8, 2016 04:06
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Generate random hex
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rand_hex.sh
#!/bin/bash
length=12
if [[ $1 =~ ^[0-9]+$ ]]; then
length=$1
fi
cat /dev/urandom | tr -dc 'a-fA-F0-9' | fold -w $length | head -n 1
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