Solved

Wrting to a file in C

Posted on 2002-04-09
5
281 Views
Last Modified: 2010-04-15
Hi
here is the code that i am trying to write or how i am trying to write into file

FILE *file
out = fopen("C:\myText.txt", "W");
fprintf(out, "Temprature");
fprintf(out, "%d\n", Voltage);
fclose(file);

but i can't get it to work, could somebody please tell me what i am doing wrong, and fix the problem for me. thanks

regards
Dewaana
0
Comment
Question by:Dewaana
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
  • 2
5 Comments
 
LVL 7

Expert Comment

by:leflon
ID: 6928455
first you mixed variable names file and out
then you better check if fopen was successful, and you should use wt for the access type

->
FILE* file;
if(file=fopen("c:\mytext.txt","wt")!=NULL)
{
/* do some output */
 fclose(file);
}

this should work

leflon
0
 
LVL 7

Accepted Solution

by:
leflon earned 30 total points
ID: 6928462
better:
if((file=fopen("c:\mytext.txt","wt"))!=NULL)

leflon
0
 

Author Comment

by:Dewaana
ID: 6928558
Thank you very much, i think that if statment did the trick :)

Dewaana
0
 
LVL 1

Expert Comment

by:Aenox
ID: 9209314
lol, that wasn't the problem. This was:

FILE *file;
0
 
LVL 1

Expert Comment

by:Aenox
ID: 9209328
FILE *out;
out = fopen("C:\\myText.txt", "W");
fprintf(out, "Temprature");
fprintf(out, "%d\n", Voltage);
fclose(out);
0

Featured Post

Independent Software Vendors: We Want Your Opinion

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

An Outlet in Cocoa is a persistent reference to a GUI control; it connects a property (a variable) to a control.  For example, it is common to create an Outlet for the text field GUI control and change the text that appears in this field via that Ou…
Windows programmers of the C/C++ variety, how many of you realise that since Window 9x Microsoft has been lying to you about what constitutes Unicode (http://en.wikipedia.org/wiki/Unicode)? They will have you believe that Unicode requires you to use…
The goal of this video is to provide viewers with basic examples to understand and use structures in the C programming language.
Video by: Grant
The goal of this video is to provide viewers with basic examples to understand and use while-loops in the C programming language.

690 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question