Question involving files. C/C++

[DarkForceRising]

What are the C commands involving files? Specifically, are there any commands allowing someone to move through text files line by line? Word by word? I have to parse a string that looks like "[permissions] [owner] [size] [date accessed] [filename]." There will be a list of these in another file. I need to be able to add, remove, and modify entries. And I have no idea how to do this. Any thoughts?

 

[CTho9305]

Are you using C or C++? They're different languages, and the answer is VERY different. Also, neither of them is really a good choice of language based on the information you've provided. Do you have the option to use something else (e.g. perl)?

 

[DarkForceRising]

I program in C, but I'm using Visual C++ to compile, etc. So it supports both. So C would be preferable. No, I don't really have any other choices, as this is a school project, and C is the only language I know.

But like I said, I need to maintain a list of entries in a file that I can read to get information. I'm going to see my professor in the morning, and it's possible that he will suggest a completely different format, but that is what I thought he wanted us to do.

 

[CTho9305]

If you're required to write C, do not use iostream/fstream. It'll compile and run fine and your professor will give you a 0. The examples at http://www.java2s.com/Code/C/File/File-Open.htm look useful. I'd also suggest reading up on strtok().

 

[DarkForceRising]

Thanks man, that should help.

 

[DarkForceRising]

Hallelujah, I'm almost finished. That link had an example that helped me out a ton. I ended up formatting it completely differently than I was going to, but it worked out much better in the end. Thanks a bundle.

 

[EagleKeeper]

Getline will work best to get a line at a time.

After than you need to use a token parser with spaces as the delimiter to strip out words.