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很怪脚本好像不起作用 #1

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daiaji opened this issue Oct 12, 2018 · 0 comments

daiaji commented Oct 12, 2018 •

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arp -a|grep -c "192.168.1.104"
1
root@OpenWrt:~# ./test.sh start
/etc/rc.common: line 3: arp: not found
0
root@OpenWrt:~# cat ./test.sh 
#!/bin/sh /etc/rc.common
start() {
        arpnum=$(arp -a|grep -c "192.168.1.104")
        echo "$arpnum"
}

什么鬼？……
命令内容是一样的但是什么鬼

openwrt论坛那边https://forum.openwrt.org/t/whats-wrong-with-this-script-arp-not-found/23088
似乎是如果busybox编译的时候没有选择arp的话 arp就只是一个变量……

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