Bash v5 scripting: Check Bash version

check-bash-version.md

usr/bin/env bash

set -euo pipefail

check_bash_version() {
    if [[ ${BASH_VERSINFO[0]} -lt 5 ]]; then
        echo "Error: At least Bash version 5 is required."
        echo "Your Bash version is: ${BASH_VERSINFO[0]}"        
        exit 1
    fi
}

function main() {
    echo "about to check bash"
    check_bash_version
    echo "bash version is ok"
    exit 0    
}

# execute main function with all command line arguments
main "$@"