SNAKE_CASE to camelCase

fn.sh

snake_to_camel() {
    local input="$1"
    local result=""
    local capitalize_next=false

    # Loop through each character in the input string
    for (( i=0; i<${#input}; i++ )); do
        char="${input:i:1}"

        # Check if the character is an underscore
        if [[ "$char" == "_" ]]; then
            capitalize_next=true
        elif $capitalize_next; then
            capitalize_next=false
            result+="$char"
        else
            result+=$(echo "$char" | tr '[:upper:]' '[:lower:]')
        fi
    done

    echo "$result"
}