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#ifndef _BLASR_FILE_UTILS_HPP_
#define _BLASR_FILE_UTILS_HPP_
#include <iostream>
#include <fstream>
#include <string>
#include <sys/fcntl.h>
#include <sys/mman.h>
#include <sys/types.h> // for lseek
#include <unistd.h> // for lseek
#include <stdio.h>
using namespace std;
bool FileExists(string &fileName);
void CriticalOpenRead(string &fileName, ifstream &file, std::ios::openmode mode=std::ios::in);
int OpenRead(string &fileName, ifstream &file, std::ios::openmode mode=std::ios::in);
void CriticalOpenWrite(string &fileName, ofstream &file, std::ios::openmode mode=std::ios::out);
int OpenWrite(string &fileName, ofstream &file, std::ios::openmode mode=std::ios::out);
int CountLinesInFile(string fileName);
#endif
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