初识patch还是和Z同事沟通问题时认识的，回想起已经近半年

1. connect by prior 介绍语法{ CONNECT BY [ NOCYCLE ] condition [AND condition]... [ START WITH condition ]| START WITH condition CONNECT BY [ NOCYCLE ] condition [AND condition]...}解释:start with: 指定起始节点的条

[wln@localhost python]$ cat 01.py#!/usr/bin/env pythonimport os ,sys"""A basic fork in action"""import osprint '01'*5child = os.fork()if child == 0:    cmd = 'sudo top -b > a.top'

1.目的读取cal.txt内容，然后通过python脚本转化为list内容2. 文件内容 cal.txt1213141516cal.py脚本内容：#!/usr/bin/python#coding = UFT-8result=[]fd = file( "cal.txt", "r" )for line in fd.readlines():