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Python program to read character by character from a file
  • Difficulty Level : Easy
  • Last Updated : 29 Dec, 2020

Given a text file. The task is to read the text from the file character by character.

Function used:

Syntax: file.read(length)

Parameters: An integer value specified the lenght of data to be read from the file.

Return value: Returns the read bytes in form of a string.



Examples 1: Suppose the text file looks like this.

pythonfile-input1




# Demonstrated Python Program
# to read file character by character
  
  
file = open('file.txt', 'r')
  
while 1:
      
    # read by character
    char = file.read(1)          
    if not char: 
        break
          
    print(char)
  
file.close()

Output

python-read-character

Example 2: REading more than one charactes at a time.




# Python code to demonstrate 
# Read character by character
  
  
with open('file.txt') as f:
      
    while True:
          
        # Read from file 
        c = f.read(5)
        if not c:
            break
  
        # print the character
        print(c)

Output

python-read-character-by-character-1

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