Programming in Python/

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Solution: Append One File's Contents to the End of Another

Solution: Append One File's Contents to the End of Another

Learn how to append the contents of one file to the end of another.

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The solution to the problem of appending the contents of one file to the end of another is given below.

Solution

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main.py
file2.txt
file1.txt
# Append files
f1 = open('file1.txt', 'r')
para1 = ''
while True :
  data = f1.readline( )
  if data == '' : 
    break 
  para1 += data
f2 = open('file2.txt', 'r+')
para2 = ''
while True :
  data = f2.readline( )
  if data == '' :
    break
  para2 += data
para2 += para1
f2.seek(0, 0)
f2.write(para2)
f1.close( )
f2.close( )
f2 = open('file2.txt', 'r')
para2 = ''
while True :
  data = f2.readline( )
  if data == '' :
    break
  para2 += data
print(para2)
f2.close( )

Explanation

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