Concatenating files in order

[breamoreboy at gmail.com]

On Tuesday, May 23, 2017 at 8:29:57 PM UTC+1, Mahmood Naderan wrote:
> Hi,
> There are some text files ending with _chunk_i where 'i' is an integer. For example,
> 
> XXX_chunk_0
> XXX_chunk_1
> ...
> 
> I want to concatenate them in order. Thing is that the total number of files may be variable. Therefore, I can not specify the number in my python script. It has to be "for all files ending with _chunk_i".
> 
> Next, I can write
> 
> with open('final.txt', 'w') as outf:
> for fname in filenames:
>             with open(fname) as inf:
>                 for line in inf:
>         outf.write(line)
>  
> 
> How can I specify the "filenames"?
> Regards,
> Mahmood

https://docs.python.org/3/library/glob.html seems a good place to start.

Kindest regards.

Mark Lawrence.