[英]How to read csv files from multiple zip folders located in the same directory using python?
有人可以给我一个关于解决这个问题所需的python代码的提示吗? 我感谢您的帮助!
这应该会在您的工作目录中生成concatenated_data.csv
,并假设my_data_dir
中的所有文件都是其中包含数据的 zip 文件。
import os, numpy as np, zipfile
def add_data_to_file(new_data,file_name):
if os.path.isfile(file_name):
mode = 'ab'
else:
mode = 'wb'
with open(file_name,mode) as f:
np.savetxt(f,np.array([new_data]),delimiter=',')
my_data_dir = 'C:/my/zip/data/dir/'
data_files = os.listdir(my_data_dir)
for data_file in data_files:
full_path = os.path.join(my_data_dir,data_file)
with zipfile.ZipFile(full_path,'r',zipfile.ZIP_DEFLATED) as zip_file:
with zip_file.open('selected_file.csv','r') as selected_file:
data = np.loadtxt(selected_file,delimiter=",")
add_data_to_file(data,'concatenated_data.csv')
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