Shell command line execution python

Each script has its own expertise.

There is a time to achieve a work, the use of Shell,php,python look at the file type, inconvenient handover, looking also more trouble .

It is also necessary to reduce the number of file types.

Scenario encountered: The shell program needs to get information from the JSON and continue processing.

File, Json.txt

{    "name":"China",    "Province": [{        "name":"Heilongjiang",        "Cities": {            " City": ["Harbin","Daqing"]        }       }, {        "name":"Guangdong",        "Cities": {            " City": ["Guangzhou","Shenzhen","Zhuhai"]        }       }   ]}

Python can be called directly from the shell (note the difference between load and loads)

cat json.txt  |/usr/bin/python2.  7"import json; Import SYS; Obj=json.load (Sys.stdin); Print obj[' province '][1][' name '].encode (' utf-8 ')" Guangdong [email protected]:cat json.txt  |/usr/bin/python2. 7 " import JSON, import sys, obj=json.load (sys.stdin), print obj[' province '][1][' cities ' [' City '][1].encode (' utf-8 ') )" Shenzhen

Other Links:

Http://www.cnblogs.com/xudong-bupt/p/6218140.html

Http://www.cnblogs.com/xudong-bupt/p/7291645.html

Shell command line execution python