Python Splitting String List and Adding Segment to Empty List

Question

I have this code so far

data = ['fx_name_v002.1001.exr  fx_name_v002.1016.exr', 'fx_name_v002.1002.exr  fx_name_v002.1018.exr']
 data.sort()

frames = []

def string_split(data):
    for i in data:
        print(i.split('.'))

I need to split the list like I have. Once the list is split I need to add the 1002, 1001, of the split ends into the empty list frames.

The end result should be frames = ['1001', '1002', 'etc']

The part im confused on is the loop and after i split the list how to append the 1001, 1002, etc into the empty frames list.

Edit 1: Solved

Edit 2: So now I've been trying to reverse engineer regex and do research. How would I get the first part of the string, everything before 1001, 1002, etc. into a different list?

im stuck on how to transfer the certain part of the split 1001, 1002, etc into the empty list frames — Obstupesco
– Obstupesco, Commented Jun 27, 2018 at 20:05
What exactly do you need to do ? What result are you supposing to get with the arguments you gave ? What are you trying to do and where is your problem ? — HolyDanna
– HolyDanna, Commented Jun 27, 2018 at 20:06

Engineero · Accepted Answer · 2018-06-27 20:08:03Z

1

You can do this pretty easily with regex!

import re

pattern = r'.(\d{4}).exr'
frames = re.findall(pattern, ' '.join(data))
print(frames)
# ['1001', '1016', '1002', '1018']

answered Jun 27, 2018 at 20:08

Engineero

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4 Comments

Obstupesco Over a year ago

This works fine but only outputs 1001, i'd need to get 1002 and the rest

Engineero Over a year ago

Really? Mine output all four of them in a list. Are you sure you're using re.findall?

C.Nivs Over a year ago

Have you run either answer? You have put this exact comment on both answers, and this one runs fine for me

Obstupesco Over a year ago

Okay, I got it to work, I had some conflicting code that messed with the output. Thank you for your help!

C.Nivs · Accepted Answer · 2018-06-27 20:07:37Z

0

If you are just trying to get the numbers from the first file arg in each element

for i in data:
    var = i.split()[0]
    frames.append(var.split('.')[1])

answered Jun 27, 2018 at 20:07

C.Nivs

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