Hello dear readers! Welcome back to another edition of our tutorial on Python. In this tutorial guide, we are going to be discussing about Python File write() method.
The Python file write() method writes a string str to the file. This method has no return value. Due to buffering, the string may not actually show up until the flush() or close() method is called.
The Python file write() method writes a string str to the file. This method has no return value. Due to buffering, the string may not actually show up until the flush() or close() method is called.
Syntax
The following below is the syntax for Python File write() method -
fileObject.write( str )
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Parameter Details
- str - This is the string that is to be written in the file.
Return Value
It does not return any value.
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 in write mode 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 str = "This is 6th line" # Write a line at the end of the file. fo.seek(0, 2) line = fo.write( str ) # Now read complete file from beginning. fo.seek(0,0) for index in range(6): line = fo.next() print "Line No %d - %s" % (index, 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 Line No 0 - This is 1st line Line No 1 - This is 2nd line Line No 2 - This is 3rd line Line No 3 - This is 4th line Line No 4 - This is 5th line Line No 5 - This is 6th line
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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 writelines 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.