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From: Peter Otten <__peter__@web.de>
Subject: Re: error with files
Date: Mon, 18 Aug 2014 12:09:38 +0200
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Xref: csiph.com comp.lang.python:76466

ngangsia akumbo wrote:

> error
> 
> yems ~ # nano testfile1
> yems ~ # python  testfile1
> Enter file name: g
> write in data:  g
> Traceback (most recent call last):
>   File "testfile1", line 11, in <module>
>     file.write(file1)
> TypeError: function takes exactly 1 argument (0 given)
> 
> 
> 
> import os.path
> 
> save_here = '/home/yems/newfile/'
> file_name = raw_input("Enter file name: ")
> filesname = os.path.join(save_here, file_name+".txt")
> 
> file1 = open(filesname, 'w')
> 
> file_data = raw_input('write in data:  ')
> 
> file.write(file1)
> 
> file1.close()

file is a built-in type and

file.write(file1)

is roughly equivalent to

file1.write()

The latter is the preferred way to invoke the method; thus the (confusing) 
error message

> TypeError: function takes exactly 1 argument (0 given)

is trying to convey that you are not providing any data to write. The 
correct call instead of

> file.write(file1)

is then

file1.write(file_data)