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Re: C++ programming: keeping count of data items read from file

On Tue, May 6, 2008 at 12:57 PM, Ron Johnson <ron.l.johnson@cox.net> wrote:
Hash: SHA1

On 05/06/08 11:42, H.S. wrote:
> Hello,
> In a C++ program I am reading a data file for later processing and
> computations. While reading that data file, I want to keep track of data
> items (doubles) read.
> The data file is just a text file with N lines with C doubles in each
> line (N and C are known a priori). For now, I just read from the file
> stream in to a 2D array variable by reading each double at a time.
> Now I am trying to introduce some sanity checking into this reading
> block. Here is what I am trying to do:
> 1. Verify how many doubles I have read in each line. Must be C. If they
> are not C, then the input file is corrupt.
> 2. Verify that the total number of data items are NxC. This is simple, I
> just keep a track of how many numbers I have read.
> So, how do I go about doing (1) above? I was thinking of somehow
> checking if I have reached the end of line somehow (EOL?) but haven't
> found a method to do so. All I have found is EOF.

This smells suspiciously like CompSci homework.

- --
Ron Johnson, Jr.
Jefferson LA  USA

We want... a Shrubbery!!

And it is finals season.


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