Reading from a text file (c++)

Antonio · 2011-05-04T16:36:02

Hi, I need some help. I want to be able to write some variable values in a text file and then read it from inside the application. 1. Text file example : window=0 screenwidth=800 screenheight=600 app_title=my project So i want to read "window" and then its value, and then apply that value to appropriate variable inside the code. Also I want to be able to read string or char values. 2. I would also want to put more variables in the same row, and the read it one by one: 1 0 day month 1000 500

For Beginners

Started by AntonioR May 04, 2011 11:21 AM

11 comments, last by AntonioR 13 years ago

yewbie

677

May 04, 2011 02:59 PM

Note this also features more robust error checking. The code you posted fails to close the file, among other issues.

I would not recommend using yewbie's code, it is terrible.

Heh, I am not going to defend what I posted as good code but the tutorial specifically said that when ifstream goes out of scope it cleanly closes the file.
And most of what is posted is directly from the tutorial. ( Edit: not that tutorials are to be trusted )

Much like the OP I only needed it for a couple of config lines and it worked fine for that.
Your code looks much better.

rip-off

11,000

May 04, 2011 03:13 PM

... when ifstream goes out of scope it cleanly closes the file.
[/quote]
That comment was directed at the OP's code, which uses fopen() but fails to call fclose(). I wrote my post before the intermediate comments, and I edited it to include a note about the code you posted, so I can see now why you might think that.