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 UWA week 36 (2nd semester, mid-semester break) ↓
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1:41am Sat 10th Sep, ANONYMOUS

Hi Chris, I have been able to store details in the files to arrays of struct and I am attempting to loop through each "lines" of the struct to report errors if any are found. I am using the generic for loop syntax (for I=0 I< sizeof struct, I+=) but I found that sizeof doesn't actually report the actual size of the line in the struct itself. I have looked around in code documentation but they all seemed to point to sizeof, is there a different way that we can tackle this or maybe I am doing something wrong?


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7:03am Sat 10th Sep, Christopher M.

ANONYMOUS wrote:
> Hi Chris, > I have been able to store details in the files to arrays of struct and I am attempting to loop through each "lines" of the struct to report errors if any are found. I am using the generic for loop syntax (for I=0 I< sizeof struct, I+=) but I found that sizeof doesn't actually report the actual size of the line in the struct itself.
Hi, I'm unsure if it's just your description that is confusing (me), or if it correctly reflects your actual implementation (which, then, is confused). I'll change some of the terminology, as that may help. Firstly, (text) files have 'lines', we read the file line-by-line, storing each line's data into our data-structures - typically arrays (which have 'elements') or structures (which have 'fields/members'). It's usually far better to check the validity of input data as soon as it's read in, not after you've read and stored it all. It may even be the case that invalid data cannot be stored in our data-structures. You've mentioned "arrays of struct" but, hopefully, you meant "an array of structures", where each element of the array is one structure, and the fields of each structure hold the data from each line of the original file. You can iterate over (what was once) each line of the original file, by iterating over each element of the array; so, you'll need to know/save the number of array elements you have. ___ None of the above has even mentioned the size of a structure, and hasn't needed to. Hope this helps,

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