shell解析xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<properties port="10000" URI="tcp://localhost" />

怎么把port的值解析出来
[解决办法]

sed '/port=/!d; s/.*port="\([0-9]\+\)".*/\1/' urfile

[解决办法]
cat file.xml
[解决办法]
grep "port="
[解决办法]
awk -F "\"" '{print $2}'
file.xml里面的内容就是
<?xml version="1.0" encoding="ISO-8859-1"?>
<properties port="10000" URI="tcp://localhost" />