[code]
#include <iostream>
#include <sys/stat.h>
 
 
 
//Detect whether a file exists
bool existsf(char file[]){
struct _stat buff;
 if(!_stat(file,&buff)){
 return true;                       
 }    
 else{
 return false;
 }
}
 
//count bytes
int countfb(char file[]){
struct _stat buff;
_stat(file,&buff);
return buff.st_size;
}
//Read binary
void readfb(char file[],char buffer[],int fsize){
FILE *f=fopen(file,"rb");
int check=0;
int count=0;
check=fgetc(f);
 while(count<fsize){
 buffer[count]=(char)check;      
 check=fgetc(f);
 count++;
 }
buffer[count]='\0'; 
fclose(f);
}
 
Write binary
void writefb(char file[],char str[],int fsize){
FILE *f=fopen(file,"wb");
int count=0;
 while(count<fsize){
 fputc(str[count],f); 
 count++;                      
 } 
fputc(str[count],f);
fclose(f);     
}
 
//Count the number of chars in a file
int countf(char file[]){
FILE *f=fopen(file,"rb");
int check=0;
int count=0;
check=fgetc(f);
 while(check>0){
 count++;      
 check=fgetc(f);
 }
fclose(f);
return count;
}
 
//Read file
void readf(char file[],char*buffer){
FILE *f=fopen(file,"rb");
int check=0;
int count=0;
check=fgetc(f);
 while(check>0){
 buffer[count]=(char)check;      
 check=fgetc(f);
 count++;
 }
buffer[count]='\0'; 
fclose(f);
}
 
//Write to a file
int writef(char file[],char string[],char* mode="wb"){
FILE *f=fopen(file,mode);
int count=0;
 while(string[count]!=0){
 fputc(string[count],f); 
 count++;                      
 } 
fputc(string[count],f);
fclose(f);
return count;
}
 
//Append text to a file
int appendf(char* file,char* text){
char data[countf(file)+1];
readf(file,data);
std::string newd;
newd=text;
newd+=data;
writef(file,(char*)newd.c_str());
return 0;    
}
[/code]

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