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Thread: How Do I "c"?

  1. #1
    Junior Member
    Join Date
    Mar 2003

    How Do I "c"?

    K im pretty fluent with python but have recently switched too "C" and found it far more complicated =( i was wondering if anybody could help me with opening a file named "program" ?? Im on linux, and i wanna open a file in my home directory and get the letters fpdirectory. . So far i have this
    #include <stdlib.h>
    #include <stdio.h>
    FILE *program;
    do {
    char ch;
    ch = getc(fp);

    can you tell me what im doing wrong plz??? thanks a ton

    Sorry i forgot to include something
    FILE *program;
    do {

    THATS how it really is i accidently typed it in wrong
    \"Their are only two infinite things, the universe and human stupidity\"--Alber Einstein

  2. #2
    Senior Member
    Join Date
    Mar 2003
    Hi WhiteDwarf18, not 100% certain what you are trying to do, but it looks to me like you are trying to read the contents of a file to STDOUT. Here is a simple (crude is a better word ) example of reading from a file with fopen()

    #include <stdio.h>
    #include <stdlib.h>
    #include <string.h>
    #define BUFSIZE 128
    int main( void )
         FILE *fp;
         char ch, buf[BUFSIZE], filename[128];
        // What file do you want to read?
         printf( "Enter the name of the file you want to read: " );
         fgets( filename, 128, stdin );
         filename[strlen( filename ) -1 ] = 0;
        // Open the file for reading
          if (( fp = fopen( filename, "r" )) == NULL )
               fprintf( stderr, "Error opening file.\n" );
               exit( 1 );
          // While the end of the file has not been reached, read a line and display it
                fgets( buf, BUFSIZE, fp );
                printf( "%s", buf );
           } while( !feof(fp) );
           printf( "\n" );
           fclose( fp );
           return 0;
           // Alternatively, we could have done a while loop similar to the one
           // in your post which might look something like this.
           // do
           // {
           //        printf( "%c", ch );
           //  } while(( ch = fgetc( fp ) != EOF );
    Hope that helps
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