Hello dear readers! Welcome back to another edition of our tutorial on Python. In this tutorial guide, we are going to be studying about the Python File read() method.
Python file read() method reads most size bytes from the file. If the read encounters EOF before obtaining size bytes, then it reads only the available bytes.
Python file read() method reads most size bytes from the file. If the read encounters EOF before obtaining size bytes, then it reads only the available bytes.
Syntax
The following below is the syntax for Python File read() method -
fileObject.read( size );
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Parameter Details
- size - Number of bytes to be read from the file.
Return Value
It returns the bytes read in the string.
Example
The following below is a simple example -
This is 1st line This is 2nd line This is 3rd line This is 4th line This is 5th line
#!/usr/bin/python # Open a file fo = open("foo.txt", "rw+") print "Name of the file: ", fo.name # Assuming file has following 5 lines # This is 1st line # This is 2nd line # This is 3rd line # This is 4th line # This is 5th line line = fo.read(10) print "Read Line: %s" % (line) # Close opend file fo.close()
Output
When the above code is executed, it will produce the following result -
Name of the file: foo.txt Read Line: Python is
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Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial, we are going to be studying about the Python File readline Method.
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Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.
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Thanks for reading and bye for now.