Bash script to generate random json objects. (Mac version)

rand_json

#!/bin/bash

# prereq `brew install coreutils jo`

defcount=1

display_usage() {
    echo -e "Generate NUMBER of random json objects."
    printf "  Usage: %s [NUMBER] (DEFAULT: %s)\n\n" $(basename "$0") $defcount
}

random_number() {
    gshuf -i 1-$1 -n 1
}

random_hex () {
    openssl rand -hex $1
}

randon_uuid() {
    uuidgen | tr '[:upper:]' '[:lower:]'
}

random_string () {
    base64 /dev/urandom | tr -d '\+\/' | dd bs=$1 count=1 2>/dev/null
}

random_boolean() {
    gshuf -i 0-1 -n 1
}

random_word() {
    gshuf -n 1 /usr/share/dict/words | tr -d '\n'
}

random_name() {
    gshuf -n 1 /usr/share/dict/propernames | tr -d '\n'
}

if [[ ( $@ == "--help") ||  $@ == "-h" ]]
then
    display_usage
    exit 0
fi


for i in $(seq ${1:-$defcount})
do
    printf -v count2 "%04d" $i
    jo \
        seq=$i \
        -s count=$(printf "%04d" $i) \
        number=$(random_number 1000) \
        string=$(random_string 16) \
        hex=$(random_hex 16) \
        uuid=$(randon_uuid) \
        bool@$(random_boolean) \
        word=$(random_word) \
        name=$(random_name)
done