#!/bin/bash # Command-line options # ============================================================================== # # --version # Use the --version option to install a special version for installation. default is latest, for example: # # $ sudo bash install.sh --version "0.8.25" # # --port check ports # Use the --port option to check port, for example: # # $ sudo bash check_ports.sh --port 9001,9001 # ============================================================================== # 获取参数值 while [[ $# -gt 0 ]]; do case $1 in --port) IFS=',' read -ra ports <<< "$2" shift 2 ;; *) shift ;; esac done check_ports() { for port in "${ports[@]}"; do if ss -tuln | grep ":$port " >/dev/null; then echo "Port $port is in use!" return 1 fi done echo "All ports are available" return 0 } check_ports