On 05/23/2017 12:37 PM, breamore...@gmail.com wrote:
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.
Yup. Make a list of all the file names, write a key function that
extracts the numbery bits, sort the list based on that key function, and
go to town.
Alternatively, when you create the files in the first place, make sure
to use more leading zeros than you could possibly need.
xxx_chunk_000001 sorts less than xxx_chunk_000010.
--
Rob Gaddi, Highland Technology -- www.highlandtechnology.com
Email address domain is currently out of order. See above to fix.
--
https://mail.python.org/mailman/listinfo/python-list
