guodonn01

#!/bin/bash

# --- Bash Version Check ---
if [[ -z "${BASH_VERSINFO[0]}" || "${BASH_VERSINFO[0]}" -lt 4 ]]; then
    echo "Error: This script requires Bash version 4.0 or higher." >&2
    echo "You are running: $BASH_VERSION" >&2
    exit 1
fi

# --- Default Variables ---

guodonn01

#!/bin/bash

# Associative arrays (for keys with spaces) require Bash 4.0+
if [[ -z "${BASH_VERSINFO[0]}" || "${BASH_VERSINFO[0]}" -lt 4 ]]; then
    echo "Error: This script requires Bash version 4.0 or higher." >&2
    echo "You are running: $BASH_VERSION" >&2
    exit 1
fi

input_file=""