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Old 11-26-2005, 06:35 PM   #1
kponenation
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Reading from a txt file into a two dimension array in C


I'm trying to read from a txt file into a two dimension array. The text file contains following data.

Code:
0 0 0 1 0 0 1 0 1 0 0 1
1 0 1 0 1 0 1 0 1 0 0 0
0 0 0 0 0 0 0 1 0 0 0 0
1 1 0 1 0 1 0 1 1 1 1 1
I want to create a two dimensional array (in this case 4X12 array) by reading the txt file.
Can anyone give me a hint on how to do this?

Thanks
 
Old 11-26-2005, 07:07 PM   #2
kponenation
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my code looks something
Code:
if (fp == NULL) exit(EXIT_FAILURE);
     for (i=0; i<r; i++)
         for (j=0; j<c; j++){
             fread(a[i][j], 1, c, fp);
                                 }
                       
   }
of course it doesn't compile.
 
Old 11-26-2005, 07:30 PM   #3
zahadumy
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something like this
Code:
man fopen
man fgets
man fscanf
man fclose
These should help you. It's not al all difficult.
 
Old 11-26-2005, 08:04 PM   #4
kponenation
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I used fscanf to solve the problem...
Problem solved!!
 
  


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