[Python知识库]python文件处理（字符替换，驼峰更改）

#!/usr/bin/python
# -*- coding: UTF-8 -*-

import sys

print(sys.argv[0])
print(sys.argv[1])

fr = open("C:\\Users\\Administrator\\Desktop\\file\\sql.txt")
fw = open("C:\\Users\\Administrator\\Desktop\\file\\sqlend.txt","w+")
a = 0

def start():
	for line in fr.readlines():
	    a = a+1
	    if line.find("EXEC") != -1:
	        fw.write(line)
	    print(line,a)
	    
def changeLine():
    for line in fr.readlines():
        while line.find(":") != -1:
            startIndex = line.find(":")
            index = startIndex
            while line[index] != "|" and line[index] != " " and line[index] != ",":
                index = index+1
            line = line.replace(line[startIndex:index],"#{"+line[startIndex+1:index]+"}")
            line = changeCml(line,startIndex,index+2)
            print (line)

def changeCml(line,startIndex,endIndex):
    print (line,startIndex,endIndex)
    while line.find("_",startIndex,endIndex) != -1:
        index = line.find("_",startIndex,endIndex)
        lineLength = len(line);
        print ("index:",index,lineLength)
        line = line[0:index] + line[index+1].upper()+ line[index+2:lineLength]
        endIndex = endIndex-1
    return line

changeLine()

fw.close()
fr.close()