Jack, thanks.
Alright, so what I did is create a file called hello.txt with a single line of text in there. I then did the following: f="fulldirectory\hello.txt" (where fulldirectory is of course the actual full directory on my computer) open("f", "w") And I get the following error: IOError: [Errno 13] Permission denied: 'f' If I open to read, I get: IOError: [Errno 2] No such file or directory: 'f' Can anyone explain to me why this happens? On Fri, Mar 18, 2011 at 3:50 PM, Jack Trades <jacktradespub...@gmail.com>wrote: > > On Fri, Mar 18, 2011 at 4:33 PM, Jon Herman <jfc.her...@gmail.com> wrote: > >> Hello all, >> >> I am pretty new to Python and am trying to write data to a file. However, >> I seem to be misunderstanding how to do so. For starters, I'm not even sure >> where Python is looking for these files or storing them. The directories I >> have added to my PYTHONPATH variable (where I import modules from >> succesfully) does not appear to be it. >> >> So my question is: How do I tell Python where to look for opening files, >> and where to store new files? >> >> Thanks, >> >> Jon >> >> > By default Python will read and write files from the directory that your > program is run from. This cannot always be relied upon though (for instance > if your program was imported as a module from another program). > > To find out what directory your program is currently in use os.getcwd(). > Here's an example I just ran... > > >>> import os > >>> os.getcwd() > '/media/DATA/code/lispy/liSpy' > > The folder that is returned from os.getcwd() is the folder that "open" will > use. You can specify another folder by giving the full path. > > open("/full/path/to/file.txt", "w") > > PYTHONPATH is for importing modules, which is a separate concern. > > -- > Jack Trades > Pointless Programming Blog <http://pointlessprogramming.wordpress.com> > >
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