How to ignore single quotes which extracting file names in python

Question

I have a file(main.cpp) containing list of other files. The format is as below:

FILE: 'addition.cpp'
FILE: 'matrix.cpp'
FILE: 'rate_of_interest.cpp'

My code is as below:

lines=mainfile.read().splitlines()
for i, line in enumerate(lines):
    line = line.strip()
    if "FILE:" in line:
        fileName = line.strip().split("FILE:")[1].strip()
    else 
       print "Invalid file"

This prints as below

'addition.cpp'
'matrix.cpp'
'rate_of_interest.cpp'

But I want as below,

addition.cpp
matrix.cpp
rate_of_interest.cpp

How can I remove single quotes? I am new to python, tried various way, but not happening.

mike.k · Accepted Answer · 2015-08-15 16:38:24Z

1

fileName = line.strip().split("FILE: ")[1].strip("'")

edited Aug 15, 2015 at 16:38

answered Aug 15, 2015 at 16:32

mike.k

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3 Comments

Linocomp Over a year ago

@mile.k: it is only removing ending single quote

mike.k Over a year ago

That's because of the whitespace after FILE:, try replacing "FILE:" with "FILE: ". I just edited that in.

bereal Over a year ago

Until there're few spaces after FILE:.

Avinash Raj · Accepted Answer · 2015-08-15 16:35:04Z

1

You don't need to strip any character just do splitting on single quotes.

if "FILE:" in line:
    print(line.split("'")[1])
else 
   print "Invalid file"

answered Aug 15, 2015 at 16:35

Avinash Raj

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Comments

Nhor · Accepted Answer · 2015-08-15 16:31:51Z

0

Try doing:

fileName = line.strip().split("FILE:")[1].strip().replace("'", "")

answered Aug 15, 2015 at 16:31

Nhor

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The6thSense · Accepted Answer · 2015-08-15 16:32:00Z

0

You could use string replace method

str.replace("'","")

answered Aug 15, 2015 at 16:32

The6thSense

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Comments

rassa45 · Accepted Answer · 2015-08-15 16:35:01Z

0

If you have your list of filenames, do it like this.

#Parse Parse Parse until you get variable filenames (list)
filenames = #Some list of filenames
filenames = [name.replace("\"", "").replace("'", "") for name in filenames]

answered Aug 15, 2015 at 16:35

rassa45

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Comments

Padraic Cunningham · Accepted Answer · 2015-08-15 16:35:31Z

0

with open("in.cpp") as f:
    for line in  f:
        if line.startswith("FILE:"):
            print(line.split()[1].strip("'"))

Output:

addition.cpp
matrix.cpp
rate_of_interest.cpp

answered Aug 15, 2015 at 16:35

Padraic Cunningham

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Comments

Community · Accepted Answer · 2020-06-20 09:12:55Z

0

A regex solution `FILE:\s*'(.+)'`

import re

data = """FILE: 'addition.cpp'
          FILE: 'matrix.cpp'
          FILE: 'rate_of_interest.cpp'
       """

for line in re.findall(r"FILE:\s*'(.+)'", data):
    print(line)

If you want to find filenames that are empty, change the + to * in the regex code above.

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Aug 15, 2015 at 16:49

Renae Lider

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