Python修改檔案方法——字串替換

標籤：AC   lin   python   day   line   代碼   替換   字串   不能   

#字串替換
import sys
f = open("yesterday2","r",encoding="utf-8")
f_new = open("yesterday2.bak","w",encoding="utf-8")

find_str = sys.argv[1]
replace_str = sys.argv[2]
for line in f:
    if find_str in line:
        line = line.replace(find_str,replace_str)
    f_new.write(line)
f.close()
f_new.close()

#with執行問了，檔案就自動關閉了！ 開發規範一行代碼不能超過80字元： \

with open("yesterday2","r",encoding="utf-8") as f ,\   
      open("yesterday2", "r", encoding="utf-8") as f2:
    for line in f:
        print(line)

Python修改檔案方法——字串替換