# include <stdio.h> 
# include <string.h>
main() 
{ 
 FILE *fp; 
 char in[100]; 
 long int freq[257]; 
 int i; 

 printf("\nFile frequency table generator\n\n"); 

 printf("\nInput file:");
 scanf("%s",in); 
 fp=fopen(in,"rb"); 
 if(fp==NULL) 
 { 
  printf("\nCould not open input file.Aborting\n"); 
  return 1; 
 } 
 for(i=0;i<257;i++) 
  freq[i]=0; 
 while(i=fgetc(fp),i!=EOF) 
 { 
  freq[i]++; 
 } 
 fcloseall(); 
 fp=fopen("count.txt","w"); 
 fprintf(fp,"\nCharacter frequency table of %s\n",in); 
 fprintf(fp,"\nCharacter ASCII frequency\n\n"); 
 for(i=0;i<256;i++) 
 { 
  if(i==26) 
  { 
   fprintf(fp,"\t    26\t  %ld\n",freq[26]); 
  } 
  else if(i==9) 
  { 
   fprintf(fp,"\t    9\t  %ld",freq[9]); 
  } 
  else if(i<10) 
  { 
   fprintf(fp,"%c\t    %d\t  %ld\n",i,i,freq[i]); 
  } 
  else if(i<100) 
  { 
   fprintf(fp,"%c\t    %d\t  %ld\n",i,i,freq[i]); 
  } 
  else 
  { 
   fprintf(fp,"%c\t    %d\t  %ld\n",i,i,freq[i]); 
  } 
 } 
 
 fcloseall(); 
 printf("\nFrequency table copied to count.txt\n"); 
}