file_IO_lib.h #2

#pragma once

#include <math.h>
#include <fstream>

using namespace std;

// See .cpp for function details
int		FindNumberOfDigits(int in_number);

char*	ExtensionTypeToString(int file_type);

bool	DeleteFilesWithIndex(char* file_prefix, int file_type, int first, int last);

char*	AppendDigitsAndExtension(char* file_prefix, int num, int max_dig_cnt, int ext);

int		OpenFileForAppendAtLine( int line_number, char *file_name, ofstream &res_file );