Question

我对python很新，并且有一个问题。我想读取多个csv文件，检查标题并比较文件的标题。

from tkinter import Tk
from tkinter.filedialog import askopenfilenames
import csv
root = Tk()
files= askopenfilenames(parent=root, title='Choose files')

for i in range(len(files)):
   f = open('{}'.format(files[i])) 
   reader = csv.DictReader(f)
   row = next(reader)

这是我已有的代码。我的问题是我不知道如何阅读文件的标题并进行比较。

我试过

    row[i] = next(reader)

但那不起作用。

Answer 1

简单的Python示例，它读取一堆文件并比较它们的标题。

last_header = None
# Loop through the files
for file in files:
    with open(file) as f:
        # Read the header
        header = f.readline()
        # If this is the first file, then store the
        # header for later comparison
        if last_header == None:
            last_header = header
        # Check that the header match the last header
        elif header != last_header:
            print("Some information to user")
            quit()
        # Read the remaining lines
        lines = f.readlines()

Python csv比较标题

1 个答案: