Question

tiedosto = input("Anna luettavan tiedoston nimi: ") #Here i take user added "File"
sana = input("Sana joka korvataan: ") #Here is word that i want to replace
korvaa = input("Sana jolla korvataan: ") #Here is word that i want to replace
td = open(tiedosto,"r+")#here we open the file
for line in td: 
    muutos = td.read().replace(sana, korvaa) #Here it replaces the words

    td.write(muutos)#Doesent work?
    print(muutos)
td.close()

所以td.write（muutos）为什么要将它保存到文件中？

Answer 1

td是类型文件。你想把它转换成一个行列表你应该做的是：
for line in td.readlines()

另外，对于替换单词，请尝试使用fileinput。

来自this post：
fileinput已经支持就地编辑。在这种情况下，它会将stdout重定向到文件：

#!/usr/bin/env python3
import fileinput

with fileinput.FileInput(filename, inplace=True, backup='.bak') as file:
    for line in file:
        print(line.replace(text_to_search, replacement_text), end='')

代码片段会写入文件

1 个答案: