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compare two different files text by text using python

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.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty height:90px;width:728px;box-sizing:border-box;

1

i am trying to find same words/text between two different file but didn't get the result which i'm looking for.

i have tried to compare line by line but didn't get the result

with open('top_1k_domain.txt', 'r') as file1:
with open('latesteasylist.txt', 'r') as file2:
 same = set(file1).intersection(file2)

 same.discard('n')

 with open('some_output_file1.txt', 'w') as file_out:
for line in same:
 file_out.write(line)

like my first file containing the text

 google.com
 youtube.com
 facebook.com
 doublepimp.com
 uod2quk646.com
 qq.com
 yahoo.com
 tmall.com

where as the second file contains

 ||doublepimp.com^$third-party
 ||uod2quk646.com^$third-party
 ....etc

it did not produce output which i m looking for that there should be
doublepimp.com
and uod2quk646.com in the some_output_file1.txt file but its empty.can any body help me out here

python python-3.x

share|improve this question

edited Mar 23 at 10:09

blhsing

46.2k51747

asked Mar 23 at 9:47

kashifbilal kashikashifbilal kashi

127

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hello, I hope you are doing well, Could you give us and example of the two files you use? and the wished output? Please. Thank you in advance.
  
  – Guillaume Lastecoueres
  Mar 23 at 9:53
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  first file contain the domain name where as second file contain the filter rule . i have to check that for which domain name the rule is described in the filter rule. i m trying to extract the domain name from both file which are common and for which rule is defined so your response will be apriciated @GuillaumeLastecoueres thanks
  
  – kashifbilal kashi
  Mar 23 at 11:07
  
  

  
  
  
  

add a comment | 

1

i am trying to find same words/text between two different file but didn't get the result which i'm looking for.

i have tried to compare line by line but didn't get the result

with open('top_1k_domain.txt', 'r') as file1:
with open('latesteasylist.txt', 'r') as file2:
 same = set(file1).intersection(file2)

 same.discard('n')

 with open('some_output_file1.txt', 'w') as file_out:
for line in same:
 file_out.write(line)

like my first file containing the text

 google.com
 youtube.com
 facebook.com
 doublepimp.com
 uod2quk646.com
 qq.com
 yahoo.com
 tmall.com

where as the second file contains

 ||doublepimp.com^$third-party
 ||uod2quk646.com^$third-party
 ....etc

it did not produce output which i m looking for that there should be
doublepimp.com
and uod2quk646.com in the some_output_file1.txt file but its empty.can any body help me out here

python python-3.x

share|improve this question

edited Mar 23 at 10:09

blhsing

46.2k51747

asked Mar 23 at 9:47

kashifbilal kashikashifbilal kashi

127

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hello, I hope you are doing well, Could you give us and example of the two files you use? and the wished output? Please. Thank you in advance.
  
  – Guillaume Lastecoueres
  Mar 23 at 9:53
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  first file contain the domain name where as second file contain the filter rule . i have to check that for which domain name the rule is described in the filter rule. i m trying to extract the domain name from both file which are common and for which rule is defined so your response will be apriciated @GuillaumeLastecoueres thanks
  
  – kashifbilal kashi
  Mar 23 at 11:07
  
  

  
  
  
  

add a comment | 

i am trying to find same words/text between two different file but didn't get the result which i'm looking for.

i have tried to compare line by line but didn't get the result

with open('top_1k_domain.txt', 'r') as file1:
with open('latesteasylist.txt', 'r') as file2:
 same = set(file1).intersection(file2)

 same.discard('n')

 with open('some_output_file1.txt', 'w') as file_out:
for line in same:
 file_out.write(line)

like my first file containing the text

 google.com
 youtube.com
 facebook.com
 doublepimp.com
 uod2quk646.com
 qq.com
 yahoo.com
 tmall.com

where as the second file contains

 ||doublepimp.com^$third-party
 ||uod2quk646.com^$third-party
 ....etc

it did not produce output which i m looking for that there should be
doublepimp.com
and uod2quk646.com in the some_output_file1.txt file but its empty.can any body help me out here

python python-3.x

share|improve this question

edited Mar 23 at 10:09

blhsing

46.2k51747

asked Mar 23 at 9:47

kashifbilal kashikashifbilal kashi

127

with open('top_1k_domain.txt', 'r') as file1:
with open('latesteasylist.txt', 'r') as file2:
 same = set(file1).intersection(file2)

 same.discard('n')

 with open('some_output_file1.txt', 'w') as file_out:
for line in same:
 file_out.write(line)

 google.com
 youtube.com
 facebook.com
 doublepimp.com
 uod2quk646.com
 qq.com
 yahoo.com
 tmall.com

 ||doublepimp.com^$third-party
 ||uod2quk646.com^$third-party
 ....etc

share|improve this question

edited Mar 23 at 10:09

blhsing

46.2k51747

asked Mar 23 at 9:47

kashifbilal kashikashifbilal kashi

127

share|improve this question

edited Mar 23 at 10:09

blhsing

46.2k51747

asked Mar 23 at 9:47

kashifbilal kashikashifbilal kashi

127

edited Mar 23 at 10:09

blhsing

46.2k51747

edited Mar 23 at 10:09

blhsing

46.2k51747

asked Mar 23 at 9:47

kashifbilal kashikashifbilal kashi

127

asked Mar 23 at 9:47

kashifbilal kashikashifbilal kashi

127

2 Answers
2

active

oldest

votes

1

By using set intersection, the items in the two sets will only match if they are identical, which they are not in the case of the two files, since the lines in the second file contain not just the domain names, but also other AdBlock syntax.

You should extract the domain name portion from the lines in the second file before you perform a set intersection with lines in the first file:

import re
same = set(file1).intersection((re.findall(r'[a-z0-9.-]+', line) or [''])[0] + 'n' for line in file2)

share|improve this answer

edited Mar 23 at 10:52

answered Mar 23 at 10:07

blhsingblhsing

46.2k51747

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  it getting an AttributeError: 'NoneType' object has no attribute 'group' what i'm missing here
  
  – kashifbilal kashi
  Mar 23 at 10:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That's because some of the lines in your second file do not have a domain name at all. I've updated my answer so that those lines are ignored.
  
  – blhsing
  Mar 23 at 10:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i have an other question if you will do it for me i'll be thankfull to you @blhsing i am also trying to fetch the type of rule which contain only this category of rule /example.js $script,domain=example.com will you make me patteren for this so that i can fetch this type of rule from the filter list ?
  
  – kashifbilal kashi
  Mar 23 at 11:18
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Glad to be of help. That really is out of the scope of this question though. Please ask about this in a new question with formatted code so that people can better help.
  
  – blhsing
  Mar 23 at 11:25
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  sure thanks again
  
  – kashifbilal kashi
  Mar 23 at 11:32
  

  
  
  
  

add a comment | 

0

The core idea is okay, but since the second file contains more than just the domain, you will need to strip that out first.

||example.com^$third-party will never equal example.com

One possibility:

same = set(file1).itersection(set(x[2, x.index('^')-2]+'n' for x in file2))

share|improve this answer

answered Mar 23 at 10:16

mhhollomonmhhollomon

539314

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  its getting an error that substring not found , Could you please complete my code @mhhollomon because still i im in the learning stage
  
  – kashifbilal kashi
  Mar 23 at 10:58
  

  
  
  
  

add a comment | 

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1

By using set intersection, the items in the two sets will only match if they are identical, which they are not in the case of the two files, since the lines in the second file contain not just the domain names, but also other AdBlock syntax.

You should extract the domain name portion from the lines in the second file before you perform a set intersection with lines in the first file:

import re
same = set(file1).intersection((re.findall(r'[a-z0-9.-]+', line) or [''])[0] + 'n' for line in file2)

share|improve this answer

edited Mar 23 at 10:52

answered Mar 23 at 10:07

blhsingblhsing

46.2k51747

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  it getting an AttributeError: 'NoneType' object has no attribute 'group' what i'm missing here
  
  – kashifbilal kashi
  Mar 23 at 10:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That's because some of the lines in your second file do not have a domain name at all. I've updated my answer so that those lines are ignored.
  
  – blhsing
  Mar 23 at 10:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i have an other question if you will do it for me i'll be thankfull to you @blhsing i am also trying to fetch the type of rule which contain only this category of rule /example.js $script,domain=example.com will you make me patteren for this so that i can fetch this type of rule from the filter list ?
  
  – kashifbilal kashi
  Mar 23 at 11:18
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Glad to be of help. That really is out of the scope of this question though. Please ask about this in a new question with formatted code so that people can better help.
  
  – blhsing
  Mar 23 at 11:25
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  sure thanks again
  
  – kashifbilal kashi
  Mar 23 at 11:32
  

  
  
  
  

add a comment | 

1

By using set intersection, the items in the two sets will only match if they are identical, which they are not in the case of the two files, since the lines in the second file contain not just the domain names, but also other AdBlock syntax.

You should extract the domain name portion from the lines in the second file before you perform a set intersection with lines in the first file:

import re
same = set(file1).intersection((re.findall(r'[a-z0-9.-]+', line) or [''])[0] + 'n' for line in file2)

share|improve this answer

edited Mar 23 at 10:52

answered Mar 23 at 10:07

blhsingblhsing

46.2k51747

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  it getting an AttributeError: 'NoneType' object has no attribute 'group' what i'm missing here
  
  – kashifbilal kashi
  Mar 23 at 10:45
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  That's because some of the lines in your second file do not have a domain name at all. I've updated my answer so that those lines are ignored.
  
  – blhsing
  Mar 23 at 10:53
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  i have an other question if you will do it for me i'll be thankfull to you @blhsing i am also trying to fetch the type of rule which contain only this category of rule /example.js $script,domain=example.com will you make me patteren for this so that i can fetch this type of rule from the filter list ?
  
  – kashifbilal kashi
  Mar 23 at 11:18
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Glad to be of help. That really is out of the scope of this question though. Please ask about this in a new question with formatted code so that people can better help.
  
  – blhsing
  Mar 23 at 11:25
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  sure thanks again
  
  – kashifbilal kashi
  Mar 23 at 11:32
  

  
  
  
  

add a comment | 

By using set intersection, the items in the two sets will only match if they are identical, which they are not in the case of the two files, since the lines in the second file contain not just the domain names, but also other AdBlock syntax.

You should extract the domain name portion from the lines in the second file before you perform a set intersection with lines in the first file:

import re
same = set(file1).intersection((re.findall(r'[a-z0-9.-]+', line) or [''])[0] + 'n' for line in file2)

share|improve this answer

edited Mar 23 at 10:52

answered Mar 23 at 10:07

blhsingblhsing

46.2k51747

import re
same = set(file1).intersection((re.findall(r'[a-z0-9.-]+', line) or [''])[0] + 'n' for line in file2)

share|improve this answer

edited Mar 23 at 10:52

answered Mar 23 at 10:07

blhsingblhsing

46.2k51747

answered Mar 23 at 10:07

blhsingblhsing

46.2k51747

answered Mar 23 at 10:07

blhsingblhsing

46.2k51747

0

The core idea is okay, but since the second file contains more than just the domain, you will need to strip that out first.

||example.com^$third-party will never equal example.com

One possibility:

same = set(file1).itersection(set(x[2, x.index('^')-2]+'n' for x in file2))

share|improve this answer

answered Mar 23 at 10:16

mhhollomonmhhollomon

539314

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  its getting an error that substring not found , Could you please complete my code @mhhollomon because still i im in the learning stage
  
  – kashifbilal kashi
  Mar 23 at 10:58
  

  
  
  
  

add a comment | 

0

The core idea is okay, but since the second file contains more than just the domain, you will need to strip that out first.

||example.com^$third-party will never equal example.com

One possibility:

same = set(file1).itersection(set(x[2, x.index('^')-2]+'n' for x in file2))

share|improve this answer

answered Mar 23 at 10:16

mhhollomonmhhollomon

539314

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  its getting an error that substring not found , Could you please complete my code @mhhollomon because still i im in the learning stage
  
  – kashifbilal kashi
  Mar 23 at 10:58
  

  
  
  
  

add a comment | 

The core idea is okay, but since the second file contains more than just the domain, you will need to strip that out first.

||example.com^$third-party will never equal example.com

One possibility:

same = set(file1).itersection(set(x[2, x.index('^')-2]+'n' for x in file2))

share|improve this answer

answered Mar 23 at 10:16

mhhollomonmhhollomon

539314

same = set(file1).itersection(set(x[2, x.index('^')-2]+'n' for x in file2))

share|improve this answer

answered Mar 23 at 10:16

mhhollomonmhhollomon

539314

answered Mar 23 at 10:16

mhhollomonmhhollomon

539314

answered Mar 23 at 10:16

mhhollomonmhhollomon

539314