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How to compare records from two text files and then print the entire line from both files if match is found in python



2019 Community Moderator ElectionPython: Parse and Print Text File Line by LineHow should I read a file line-by-line in Python?How to search and replace text in a file using Python?How to print select lines of a text file in python?How to print names from a text file in PythonHow to print multiple lines from a file pythonReading two columns of numbers from a text file in pythonHow to compare strings of lines from two different files using python?Python way to compare the values from file A and B and if A matches then print Entire line from BPython Pandas: Compare two CSV files and delete lines from both the file by matching a column










1
















I have two text files. FIle1 contains:




id int| name varchar(10)
1 |Joey
2 |Monica
3 |Rachel



File 2 conatins:




 employeeID int | productID int
1 |344
1 |355
2 |544



I want to print on the console, the records that match the ID from the file1 with the EmployeeID from the File2




1|Joey |1|344
1|Joey |1|355
2|Monica|2|544



I have tried something like this,




with open(file1,'rt') as f1:
with open(file2,'rt') as f2:
for lines in f1:
for line in f2:
lines1=lines.split('|')
v1=lines1[0]

line2=line.strip('n')
v2=line2[0]


if (v1==v2):
content=lines.strip('n')+'|'+str(line)
print(content.strip('n'))
else:
pass



But this just gives output as null. When I remove the headers of both the files, it gives me below output.




1|Joey|1|344
1|Joey|1|355



Somehow the first for loop is not iterating over the all lines.
can someone please help











share|improve this question




























    1
















    I have two text files. FIle1 contains:




    id int| name varchar(10)
    1 |Joey
    2 |Monica
    3 |Rachel



    File 2 conatins:




     employeeID int | productID int
    1 |344
    1 |355
    2 |544



    I want to print on the console, the records that match the ID from the file1 with the EmployeeID from the File2




    1|Joey |1|344
    1|Joey |1|355
    2|Monica|2|544



    I have tried something like this,




    with open(file1,'rt') as f1:
    with open(file2,'rt') as f2:
    for lines in f1:
    for line in f2:
    lines1=lines.split('|')
    v1=lines1[0]

    line2=line.strip('n')
    v2=line2[0]


    if (v1==v2):
    content=lines.strip('n')+'|'+str(line)
    print(content.strip('n'))
    else:
    pass



    But this just gives output as null. When I remove the headers of both the files, it gives me below output.




    1|Joey|1|344
    1|Joey|1|355



    Somehow the first for loop is not iterating over the all lines.
    can someone please help











    share|improve this question


























      1












      1








      1









      I have two text files. FIle1 contains:




      id int| name varchar(10)
      1 |Joey
      2 |Monica
      3 |Rachel



      File 2 conatins:




       employeeID int | productID int
      1 |344
      1 |355
      2 |544



      I want to print on the console, the records that match the ID from the file1 with the EmployeeID from the File2




      1|Joey |1|344
      1|Joey |1|355
      2|Monica|2|544



      I have tried something like this,




      with open(file1,'rt') as f1:
      with open(file2,'rt') as f2:
      for lines in f1:
      for line in f2:
      lines1=lines.split('|')
      v1=lines1[0]

      line2=line.strip('n')
      v2=line2[0]


      if (v1==v2):
      content=lines.strip('n')+'|'+str(line)
      print(content.strip('n'))
      else:
      pass



      But this just gives output as null. When I remove the headers of both the files, it gives me below output.




      1|Joey|1|344
      1|Joey|1|355



      Somehow the first for loop is not iterating over the all lines.
      can someone please help











      share|improve this question

















      I have two text files. FIle1 contains:




      id int| name varchar(10)
      1 |Joey
      2 |Monica
      3 |Rachel



      File 2 conatins:




       employeeID int | productID int
      1 |344
      1 |355
      2 |544



      I want to print on the console, the records that match the ID from the file1 with the EmployeeID from the File2




      1|Joey |1|344
      1|Joey |1|355
      2|Monica|2|544



      I have tried something like this,




      with open(file1,'rt') as f1:
      with open(file2,'rt') as f2:
      for lines in f1:
      for line in f2:
      lines1=lines.split('|')
      v1=lines1[0]

      line2=line.strip('n')
      v2=line2[0]


      if (v1==v2):
      content=lines.strip('n')+'|'+str(line)
      print(content.strip('n'))
      else:
      pass



      But this just gives output as null. When I remove the headers of both the files, it gives me below output.




      1|Joey|1|344
      1|Joey|1|355



      Somehow the first for loop is not iterating over the all lines.
      can someone please help








      python-3.x






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Mar 7 at 6:24







      Sowmya Kudva

















      asked Mar 7 at 2:52









      Sowmya KudvaSowmya Kudva

      62




      62






















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