Python File I/O: Remove newline characters from a file

Last update on March 31 2025 12:54:36 (UTC/GMT +8 hours)

17. Remove Newline Characters

Write a Python program to remove newline characters from a file.

Sample Solution:

Python Code:

def remove_newlines(fname):
    flist = open(fname).readlines()
    return [s.rstrip('\n') for s in flist]

print(remove_newlines("test.txt"))

Sample Output:

['Welcome to w3resource.com.', 'Append this text.Append this text.Append this text.', 'Append this text.', 'Ap
pend this text.', 'Append this text.', 'Append this text.'] 

Flowchart:

For more Practice: Solve these Related Problems:

• Write a Python program to read a file and remove all newline characters, outputting the continuous text.
• Write a Python script to remove newline characters from each line of a file and write the cleaned text to a new file.
• Write a Python program to strip newline characters from a file and replace them with a space, then print the result.
• Write a Python function to read a file, remove all newline characters, and then compute the total length of the resulting text.

Python Code Editor:

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