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在go中封装一个bash函数,用于执行bash命令
package mainimport os/exec// 执行bash命令,返回输出以及执行后退出状态码func bash(cmd string) (out string, exitcode int) { cmdobj := exec.command(bash, -c, cmd) output, err := cmdobj.combinedoutput() if err != nil { // get the exitcode of the output if ins, ok := err.(*exec.exiterror); ok { out = string(output) exitcode = ins.exitcode() return out, exitcode } } return string(output), 0}
执行
func main() { out, _ := utils.bash(ifconfig) fmt.println(out)}// 输出:lo0: flags=8049<up,loopback,running,multicast> mtu 16384 options=1203<rxcsum,txcsum,txstatus,sw_timestamp> inet 127.0.0.1 netmask 0xff000000 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x1 nd6 options=201<performnud,dad>gif0: flags=8010<pointopoint,multicast> mtu 1280stf0: flags=0<> mtu 1280en5: flags=8863<up,broadcast,smart,running,simplex,multicast> mtu 1500 ether ac:de:48:00:11:22 inet6 fe80::aede:48ff:fe00:1122%en5 prefixlen 64 scopeid 0x4 nd6 options=201<performnud,dad> media: autoselect (100basetx <full-duplex>) status: activeap1: flags=8802<broadcast,simplex,multicast> mtu 1500 options=400<channel_io> ether b2:9c:4a:b7:0f:e6 media: autoselect status: inactiveen0: flags=8863<up,broadcast,smart,running,simplex,multicast> mtu 1500 options=400<channel_io> ether 90:9c:4a:b7:0f:e6 nd6 options=201<performnud,dad> media: autoselect (<unknown type>) status: inactiveawdl0: flags=8902<broadcast,promisc,simplex,multicast> mtu 1500 options=400<channel_io> ether fa:96:0c:c0:b4:98 nd6 options=201<performnud,dad> media: autoselect status: inactivellw0: flags=8863<up,broadcast,smart,running,simplex,multicast> mtu 1500 options=400<channel_io> ether fa:96:0c:c0:b4:98 nd6 options=201<performnud,dad> media: autoselect status: inactiveen1: flags=8963<up,broadcast,smart,running,promisc,simplex,multicast> mtu 1500 options=460<tso4,tso6,channel_io> ether ee:48:05:91:d0:44 media: autoselect <full-duplex> status: inactiveen2: flags=8963<up,broadcast,smart,running,promisc,simplex,multicast> mtu 1500 options=460<tso4,tso6,channel_io> ether ee:48:05:91:d0:45 media: autoselect <full-duplex> status: inactiveen3: flags=8963<up,broadcast,smart,running,promisc,simplex,multicast> mtu 1500 options=460<tso4,tso6,channel_io> ether ee:48:05:91:d0:41 media: autoselect <full-duplex> status: inactiveen4: flags=8963<up,broadcast,smart,running,promisc,simplex,multicast> mtu 1500 options=460<tso4,tso6,channel_io> ether ee:48:05:91:d0:40 media: autoselect <full-duplex> status: inactivebridge0: flags=8863<up,broadcast,smart,running,simplex,multicast> mtu 1500 options=63<rxcsum,txcsum,tso4,tso6> ether ee:48:05:91:d0:44 configuration: id 0:0:0:0:0:0 priority 0 hellotime 0 fwddelay 0 maxage 0 holdcnt 0 proto stp maxaddr 100 timeout 1200 root id 0:0:0:0:0:0 priority 0 ifcost 0 port 0 ipfilter disabled flags 0x0 member: en1 flags=3<learning,discover> ifmaxaddr 0 port 9 priority 0 path cost 0 member: en2 flags=3<learning,discover> ifmaxaddr 0 port 10 priority 0 path cost 0 member: en3 flags=3<learning,discover> ifmaxaddr 0 port 11 priority 0 path cost 0 member: en4 flags=3<learning,discover> ifmaxaddr 0 port 12 priority 0 path cost 0 nd6 options=201<performnud,dad> media: <unknown type> status: inactiveutun0: flags=8051<up,pointopoint,running,multicast> mtu 1380 inet6 fe80::e60f:e004:7bd3:9732%utun0 prefixlen 64 scopeid 0xf nd6 options=201<performnud,dad>utun1: flags=8051<up,pointopoint,running,multicast> mtu 2000 inet6 fe80::62dc:7f46:6f6:b955%utun1 prefixlen 64 scopeid 0x10 nd6 options=201<performnud,dad>en7: flags=8863<up,broadcast,smart,running,simplex,multicast> mtu 1500 options=6467<rxcsum,txcsum,vlan_mtu,tso4,tso6,channel_io,partial_csum,zeroinvert_csum> ether 00:e0:4c:68:01:ea inet6 fe80::845:989:8b95:88e6%en7 prefixlen 64 secured scopeid 0xd inet 192.168.0.100 netmask 0xffffff00 broadcast 192.168.0.255 nd6 options=201<performnud,dad> media: autoselect (100basetx <full-duplex>) status: activeutun2: flags=8051<up,pointopoint,running,multicast> mtu 1500 inet 10.8.0.6 --> 10.8.0.5 netmask 0xffffffff
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