原始数据:[root@HAZHZ-GQ302-1-SNS-ZXOTT-SMS018HW ~]# curl http://39.135.168.147:6610/GetCDNLoadInfo
<?xml version='1.0' encoding='UTF-8'?>
<CdnLoadInfoResponse>
<nodeState>1</nodeState>
<maxBandwidth>36000</maxBandwidth>
<maxSpace>140000</maxSpace>
<maxUser>12000</maxUser>
<usedBandwidth>536</usedBandwidth>
<UpStreamBandwidth>125</UpStreamBandwidth>
<onlineUser>320</onlineUser>
<lowernodeuser>0</lowernodeuser>
<lowernodebandwidth>0</lowernodebandwidth>
<nbbandwidth>0</nbbandwidth>
<ifname>bond0</ifname>
<ServiceFlowControl>
<usedLiveBandwidth>0</usedLiveBandwidth>
<usedVodBandwidth>535</usedVodBandwidth>
<usedTvodBandwidth>0</usedTvodBandwidth>
<usedTstvBandwidth>0</usedTstvBandwidth>
<usedNvodBandwidth>0</usedNvodBandwidth>
<usedNpvrBandwidth>0</usedNpvrBandwidth>
<usedFileBandwidth>0</usedFileBandwidth>
<usedDvrBandwidth>0</usedDvrBandwidth>
<usedArchBandwidth>0</usedArchBandwidth>
<usedPictBandwidth>0</usedPictBandwidth>
<usedThumbBandwidth>0</usedThumbBandwidth>
<maxVodClassBandwidth>36000</maxVodClassBandwidth>
</ServiceFlowControl>
</CdnLoadInfoResponse>
加grep后会默认显示红色的统计信息,不利于下一步计算
[root@HAZHZ-GQ302-1-SNS-ZXOTT-SMS018HW ~]# curl http://39.135.168.147:6610/GetCDNLoadInfo|grep maxBandwidth
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1052 0 1052 0 0 240k 0 --:--:-- --:--:-- --:--:-- 256k
<maxBandwidth>36000</maxBandwidth>
加-s可以去掉这些统计信息,如下
[root@HAZHZ-GQ302-1-SNS-ZXOTT-SMS018HW ~]# curl -i -s http://39.135.168.147:6610/GetCDNLoadInfo|grep maxBandwidth|awk -F'>' '{print $2}'|awk -F'<' '{print $1}'
36000