[Tutor] I/O operation on closed file?

[bob gailer]

in addition to posting the relevant code:
please in future use a meaningful subject which I have provided this time.
remember to reply-all so a copy goes to the list.

On 3/26/2012 9:08 PM, thao nguyen wrote:
>
> Dear Support Team,
>
> I have built a function (enclosed here) to merge many files (in this 
> example is 2 files: "a1.txt" and "a2.txt") lines by lines. The output 
> file is called "final_file". However, i could not have it run 
> successfully.
>
> Content of "a1.txt":
> 1
> 3
> 5
>
>
> Content of "a2.txt":
> 2
> 4
> 6
>
>
> Content of "final_file.txt" will be like:
> 1
> 2
> 3
> 4
> 5
> 6
>
>
> In Python, i called just written module:
>
> import argument
> reload(argument)
> argument.test(2,"C:/a1.txt","C:/a2.txt")
>
> and get the error as below:
>     "ValueError: I/O operation on closed file
>      File "c:\append.py", line 5, in <module>
>              argument.test(2,"C:/a1.txt","C:/a2.txt")
>      File "c:\argument.py", line 28, in test
>             for line_data in f:"
>
> Could you please advise the resolution for this?
>
What does " I/O operation on closed file" suggest to you?

-- 
Bob Gailer
919-636-4239
Chapel Hill NC