#python #snippet #replace

Find and replace block of n line

import fileinput
file1 = fileinput.input('CanMsgParser.CPP', inplace=True)

deleteflag = True

x = iter(range(0,100))

startdel = "// ==== Rx Error Generation Start ==="
enddel = "// ==== Rx Error Generation End ==="



def find_and_replace(startString,endString,fileName,replaceString):
    '''
    :param startString: Must be a unique of the string
    :param endString: Must be a unique of the string
    :param fileName:
    :param replaceString: it is iterated string
    :return:
    '''
    fp = fileinput.input(fileName,inplace=True)
    for line in fp:
        if startString in line:
            while endString not in next(fp): # This while loop deleting the block of code
                pass
            for replaceline in replaceString: # This for loop adding the block of code
                print replaceline
        else:
            print line, # Adding remaining line in file



find_and_replace(startdel,enddel,"CanMsgParser.CPP",range(0,19))