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3 dni temu · fileinput provides a helper class and functions to loop over standard input or a list of files. It supports encoding, errors, openhook, inplace filtering and other features.
29 lip 2020 · Learn how to use the fileinput module to iterate through multiple files as input in Python. See examples of reading, verifying and printing file names and lines with this utility module.
Learn how to use fileinput module to iterate over lines from multiple input streams, such as files or standard input. See the parameters, functions and methods of fileinput.input() and FileInput class.
29 gru 2023 · `fileinput.input ()` in Python is a function provided by the `fileinput` module. It allows reading input from multiple files. The function returns an iterable, and the optional `files` parameter specifies the files to read from; if not provided, it defaults to reading from standard input (stdin).
2 wrz 2008 · The shortest way would probably be to use the fileinput module. For example, the following adds line numbers to a file, in-place: import fileinput for line in fileinput.input("test.txt", inplace=True): print('{} {}'.format(fileinput.filelineno(), line), end='') # for Python 3 # print "%d: %s" % (fileinput.filelineno(), line), # for Python 2
The fileinput module in Python provides a convenient way to read and process multiple files line by line, making it especially useful for text processing tasks such as filtering or modifying the content of files.
You can control how files are opened by providing an opening hook via the openhook parameter to fileinput.input() or FileInput(). The hook must be a function that takes two arguments, filename and mode , and returns an accordingly opened file-like object.
