C / C++ / MFC

<br />
FILE* pFile = fopen("file.txt", "a");<br />

<br />
fprintf(pFile, "%s\n",szString);<br />

<br />
fclose(pFile);<br />

#include <stdio.h>

void display(){	
  FILE *file1;
  int numbers[30]; 
  /* make sure it is large enough to hold all the data! */
  int i,j;
  //////////////////////
  file1 = fopen("try.txt", "r");

  if(file1==NULL) {
    printf("Error: can't open file.\n");   
  }
  else {
    printf("File opened successfully.\n");

    i = 0 ;    

    while(!feof(file1)) { 
      /* loop through and store into the array */
      fscanf(file1, "%s", numbers[i]);
      i++;
    }

    printf("Number of character read: %d\n\n", i);
    printf("The message are:\n");

    for(j=0 ; j<i ; j++) { /* now print them out 1 by 1 */
      printf("%s\n", &numbers[j]);
    }   
  }
}

int main() {
  
  FILE *file;      /* FILE pointer */
  char *array = "eric";
  
  //////////////////////
  file = fopen("try.txt", "w"); /* create a file for writing */

  if(file==NULL) {
    printf("An error has occurred.\n");
    return 1;
  }    

  /* now loop through the array and print  
     the data into a text file pointed to by file */
 
    fprintf(file, "%s\n", array);   
    
  display();

  fclose(file); /* now close the file */  
  
  return 0;
}

eric_tran wrote:

while(!feof(file1)) {
/* loop through and store into the array */
   fscanf(file1, "%s", numbers[i]);
   i++;
}

eric_tran wrote:

for(j=0 ; j
printf("%s\n", &numbers[j]);
}

for(j = 0;j<i;j++)
  printf("%d ", numbers[j]);

#include <stdio.h>

int ReadAndStore(char lines[1024][1024])
{
	int numberOfLinesRead = 0;
	int i;//index

	//try to open the file
	FILE* theFile = fopen("somefile", "r");
	if(theFile==NULL)//if it fails
		return -1; //exit this function with -1

	//read the file into lines
	printf("Opened file for reading\n");
	numberOfLinesRead = 0;
	while(fgets(lines[numberOfLinesRead],1023,theFile)&&numberOfLinesRead<1024)
	{
		//you can also print your data here
		printf("%s", lines[numberOfLinesRead]);
		//increment line index;
		numberOfLinesRead++;
	}
	fclose(theFile);

	//print data to screen
	return numberOfLinesRead;//job well done
}

int main(int argc, char *argv[])
{
	printf("scream if this is to big\n");
	char fileContents[1024][1024];//should be enough
	printf("i didn't scream\n");
	int i;
	int result = ReadAndStore(fileContents);
	//if read returned 1..we exit
	if(result==-1)
	{
		printf("Error reading file");
		return 1;
	}
	
	FILE *out = fopen("outfile","w");
	if(out==NULL)
	{
		printf("Error opening file");
		return 1;
	}

	//print lines to out
	for(i = 0;i<result;i++)
		fputs(fileContents[i],out);

	printf("i've read %d lines\n",result);
	//close file
	fclose(out);
	return 0;
}