Thread: fgets misses first character in file :?

Hi guys,

I'm having problems with reading the first line in a certain text file. I use the following function to do this:

Code:

   fpin = fopen(id_index, "rb");
   while((ih=fgetc(fpin))!=EOF)
   {
      while(fgets(buf,BUFSIZ,fpin)!=NULL)
      {
         strcpy(id_array[cnt],buf);
         cnt++; // count the amount of identifier files found
      }
   }
   fclose(fpin);

This is what the text file (id_index) looks like:

840.txt
1224.txt
1293.txt
520.txt
909.txt
1101.txt
1042.txt
1160.txt
1294.txt
1928.txt
1938.txt
1933.txt
2018.txt
1900.txt
1899.txt

Now when I save those names, line by line into an array, the first value of the array is:

id_array[0]: 40.txt

So it misses the first character! Any idea how I can solve this problem?

Thanks in advance for any help!


René

Well you read the first char with fgetc
then the rest of the line with fgets

> while((ih=fgetc(fpin))!=EOF)
This is on the whole pretty pointless
The first time, it burns a char
The second time, it returns EOF, because the inner loop has read all the way to end of file.

Originally Posted by Salem

Well you read the first char with fgetc
then the rest of the line with fgets

> while((ih=fgetc(fpin))!=EOF)
This is on the whole pretty pointless
The first time, it burns a char
The second time, it returns EOF, because the inner loop has read all the way to end of file.

Ha, you're 100% right! I have copied and misinterpreted that part of the function from another function. I did always question the exact meaning of this line but never bothered to dive into it . Now that you've explained it's as obvious as possible!
Thanks very much!