在输入文件名后附加单词作为输出文件名 [英] Append word to input file name for output file name

问题描述

我正在尝试读取一些数据，处理这些数据，并将结果写到以原始文件名+单词"folded"保存的CSV中.我正在使用 sys.argv 传递输入文件名，并认为我可以创建一个新变量，例如 filename = sys.argv [1] +'_ folded.csv ，但最终得到了 file.csv_folded.csv .

I am trying to read in some data, process the data, and write the results to a CSV saved with original file name + the word "folded". I'm using sys.argv to pass the input filename, and thought that I could just create a new variable such as filename = sys.argv[1]+'_folded.csv but I ended up with file.csv_folded.csv.

该如何将输出文件另存为file_folded.csv?

How can I do this so my output file is saved as file_folded.csv?

简化的代码示例:

import sys
import networkx as nx

G = nx.read_edgelist(sys.argv[1], delimitier=',')

fileout = sys.argv[1]+'_folded.csv'
nx.write_edgelist(G, fileout, delimiter=',')

推荐答案

您似乎已经在命令行参数中指定了 filename.csv ，因此您希望将其替换为特殊扩展名以可以做到:

It looks like you are already specifying filename.csv in your command line argument so you want to replace that with your special extension to do that you could:

 file_name = sys.argv[1].replace('.csv', '_folded.csv')

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