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Code: Alles auswählen

import fileinput
import time

wert = 1
wert=str(wert)
for line in fileinput.FileInput("D:/test/ueber.txt", inplace=1):

line=line.replace("ZWEDAT","ZWEDAT_" + wert)
print line 

Code: Alles auswählen

template = 'FOOBAR_{}'
for i in range(10):
    print(template.format(i))

Code: Alles auswählen

import itertools
import re

def add_counts(s, pattern, start=1):
    counter = itertools.count(start)
    template = '{match}_{count}'

    def replacer(m):
        return template.format(
            match=m.group(), count=next(counter)
        )

    return re.sub(pattern, replacer, s)

def run_test():
    test_data = (
        'ZWEDAT;BETRAG;KJUOIOI;DHIUID;'
        'ZWEDAT;BETRAG;KJUOIOI;DHIUID;'
        'ZWEDAT;BETRAG;KJUOIOI;DHIUID;'
        'ZWEDAT;BETRAG;KJUOIOI;DHIUID;ZWEDAT'
    )
    print(add_counts(test_data, 'ZWEDAT'))


if __name__ == '__main__':
    run_test()