Figured it would be good to get more eyes on this. I'll gladly open source it for others once I get it working. Going to post this on StackExchange later but figured I'd give this  shot first.


Usage should be fairly easy. Run the script, it'll prompt for a path, enumerate all the csv filenames in the path, and then cycle through each (ignoring the headers - assumed they are identical) constructing the output file.

![](https://cdn.steemitimages.com/DQmbKohWsWgFitjg6odaHz1xpWvwE4e6PnZ1SsZEnaArUwV/image.png)
TabError: inconsistent use of tabs and spaces in indentation


Result contains a list of file names and path contains a path on my system.

The problem code snippet is as follows.  I've ensured there are no stray spaces and in the block but no joy.

```
for r in result:
    with open(path+r,'r') as f:
		header  =  f.readline()
		for line in f:
			fout.write(line)
```

As you can see below, it works fine if I don't place the With statement in the For loop. Probably making a rookie mistake and hoping it's something a veteran Python coder will pick up on easily.


![](https://cdn.steemitimages.com/DQme4GKUFQnmvABAqB13pRnRssrS5V4HsaEh4rMta3Dh9AR/image.png)

I was working based on this [question](https://stackoverflow.com/questions/2512386/how-to-merge-200-csv-files-in-python) on StackExchange.