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# 获取指定网卡的 ip4 地址

echo $(ifconfig eth0 | grep inet | awk '{print $2}')

#!/bin/bash

# 得到系统的版本的名称
function get_os_name() {
    if [[ "$(uname -s)" == "Darwin" ]]; then
        echo "mac"
        return 0
    fi
    
    if [[ -f /etc/os-release ]]; then
        source /etc/os-release
    else
        return 1
    fi

    echo $ID
    return 0
}