--提取配置文件111.txt中的ip：
[etl@cppimii-etl01 fjz_script]$ cat 111.txt
db = oracle
ip = 10.3.7.111
[etl@cppimii-etl01 fjz_script]$ sed -n '/ip/'p 111.txt | awk -F= '{print $2}'
10.3.7.111
[etl@cppimii-etl01 fjz_script]$ cat 111.txt
db = oracle
ip = 10.3.7.111
date=2012/05/12=end
[etl@cppimii-etl01 fjz_script]$ sed -n '/date/'p 111.txt | awk -F= '{print $3}'
end
[etl@cppimii-etl01 fjz_script]$ cat 111.txt
db = oracle
ip = 10.3.7.111
date=2012/05/12=
[etl@cppimii-etl01 fjz_script]$ sed -n '/\(=\)[0-9]\{4\}\/[0-9]\{2\}\/[0-9]\{2\}\1/'p 111.txt
date=2012/05/12=
[etl@cppimii-etl01 fjz_script]$ cat 111.txt
db = oracle
ip = 10.3.7.111
[etl@cppimii-etl01 fjz_script]$ sed -n '/ip/'p 111.txt | awk -F= '{print $2}'
10.3.7.111
[etl@cppimii-etl01 fjz_script]$ cat 111.txt
db = oracle
ip = 10.3.7.111
date=2012/05/12=end
[etl@cppimii-etl01 fjz_script]$ sed -n '/date/'p 111.txt | awk -F= '{print $3}'
end
[etl@cppimii-etl01 fjz_script]$ cat 111.txt
db = oracle
ip = 10.3.7.111
date=2012/05/12=
[etl@cppimii-etl01 fjz_script]$ sed -n '/\(=\)[0-9]\{4\}\/[0-9]\{2\}\/[0-9]\{2\}\1/'p 111.txt
date=2012/05/12=
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/22661144/viewspace-1412901/ ，如需转载，请注明出处，否则将追究法律责任。
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