Python argparse脚本输出无法查看及find.py脚本问题求助

First up, let's solve that annoying "window closes immediately" problem so you can actually see your script's output. Then we'll talk about checking if your solution is working as intended.

How to Keep the Command Window Open After Running find.py #

You've got a few easy options here—pick the one that fits your workflow best:

• Run the script from an already-open PowerShell window
  This is my go-to fix. Just open PowerShell, navigate to the folder where your find.py lives using cd path/to/your/script/folder, then run python find.py [your command-line arguments]. The window will stay open after the script finishes, so you can read the output and even run more commands if you need to.

• Add a pause directly to your script
  If you prefer double-clicking the script to run it, add this line at the very end of find.py:

  input("Press Enter to close the window...")
  

  Now when the script finishes, it'll wait for you to press Enter before closing the window—no more rushing to read output!

• Use PowerShell's built-in pause command
  If you don't want to modify your script, run it like this in PowerShell:

  python find.py [your arguments]; pause
  

  The semicolon tells PowerShell to run the script first, then execute the pause command, which will prompt you to press any key to continue.

Checking If Your find.py Solution Works Correctly #

Since I don't have a copy of your actual script code, I can't spot specific bugs right away, but here are some steps to verify it's doing what it's supposed to:

• Test one feature at a time
  Start simple: run the script with just a starting directory argument and check if it lists files/directories correctly. Then add one filter at a time (like file size, then extension, then content regex) to make sure each feature works before combining them.

• Add debug prints
  Stick print() statements in key parts of your code to see what's happening. For example, when you filter files by size, print the file path and its size to confirm the filter is working. When you run a regex against file content, print the matching lines so you can verify the regex is catching what you want.

• Handle edge cases gracefully
  Make sure your script deals with common issues without crashing:

  • What if the starting directory doesn't exist? It should tell you instead of throwing an unreadable error.
  • What if you don't have permission to access a subdirectory? It should skip it (or warn you) instead of stopping entirely.
  • What if no files match your filters? It should print a clear message instead of just showing nothing.

  Here's a quick example of adding basic error handling for directory access:

  import os
  
  def traverse_directory(start_dir):
      try:
          for entry in os.scandir(start_dir):
              # Your existing code to process files/dirs here
              pass
      except FileNotFoundError:
          print(f"Oops! The directory '{start_dir}' doesn't exist.")
      except PermissionError:
          print(f"Warning: You don't have permission to access '{start_dir}'. Skipping...")
  

If you share a snippet of your find.py code, I can help you spot specific issues, but these steps should get you pretty far on your own.

内容的提问来源于stack exchange，提问作者Rainier