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help2002

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 UWA week 34 (2nd semester, week 5) ↓
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5:19am Tue 23rd Aug, Christopher M.

Someone sent these questions by email - please post here, rather than emailing them to me.
> 1. Can we assume that all line in crontab-file that doesn't start up with the comment sign '#' will all have a format like '* * * * * command', or do we need to expect invalid/illegal command lines in the test case? > 2. And similar to crontab-file, are all lines gonna look like 'command number' style and lines with #. Or do we need to expect invalid/illegal estimation lines in the test case? > 3. Besides, you mentioned in the project script that these estimated numbers are from the previous month's performance so Can I Assume That ALL Numbers Are Positive integers? > 4. So can we take everything that is mentioned in 'Project requirements and fine-print' (lines 3, 5, 7) as a precondition or they are all something we need to check on?
You should assume that the 2 input files are created/typed-in by humans, and humans often make mistakes. You should report as an error any non-comment line that has an incorrect number of columns/words, or has non-sensical values. Specifications such as 'max command names: 20' and 'max processes: 20' are given so that this project doesn't require dynamic memory allocation.
> 5. I want to ask if we can use a header file?
No; for this 1st project you're asked to submit just a single C source-code file (understood, not desirable). We'll certainly employ multiple header- and source-code files in the 2nd project. (though do whatever you like while developing your project; just submit it to meet the requirements)

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