[docs] [issue13510] Clarify that readlines() is not needed to iterate over a file

Terry J. Reedy report at bugs.python.org
Wed Nov 30 23:54:26 CET 2011

Terry J. Reedy <tjreedy at udel.edu> added the comment:

This current line is
"Read and return a list of lines from the stream. hint can be specified to control the number of lines read: no more lines will be read if the total size (in bytes/characters) of all lines so far exceeds hint."

I would like to see added
"Since a file is a line iterator, file.readlines() == list(file). To save time and space, iterate over lines of a file with for line in file: process(line)."
(with code markup for the two snippets).

nosy: +terry.reedy

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