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Third, leaving many files open may lead to race conditions which occur when multiple processes attempt to modify one file at the same time and can cause all kinds of unexpected behaviors.Python Script for Notepad++ The scripting plugin.

Although this number might be high, it’s possible to open a lot of files and deplete your file system resources.

Second, your file system has a limited number of file descriptors that you can create before it runs out of them.

First, when you open a file in your script, the file system usually locks it down so no other programs or scripts can use it until you close it.

It’s important to close the file that is no longer in use for the following reasons: The file that you open will remain open until you close it using the close() method. This method is useful if you have a small file and you want to manipulate the whole text of that file.

readlines() – read all the lines of the text file into a list of strings.

If the end of a file has been reached, the readline() returns an empty string.

readline() – read a single line from a text file and return the line as a string.

If the end of a file has been reached, the read() method returns an empty string. If you omit the size, the read() method reads from where it left off till the end of the file.

read(size) – read some contents of a file based on the optional size and return the contents as a string.

The file object provides you with three methods for reading text from a text file: The open() function returns a file object which you will use to read text from a text file.

F = open( 'the-zen-of-python.txt', 'r') Code language: Python ( python )