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geant4/source/persistency/mctruth/include/G4FileUtilities.hh
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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
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//
// G4FileUtilities
//
// Class Description:
//
// File utilities to access files with POSIX interface
// Author: Youhei Morita, 24.08.2001
// --------------------------------------------------------------------
#ifndef G4FILE_UTILITIES_HH
#define G4FILE_UTILITIES_HH 1
#include "G4Types.hh"
#include "G4String.hh"
class G4FileUtilities
{
public:
G4FileUtilities();
// Constructor
~G4FileUtilities();
// Destructor
G4bool FileExists(const G4String& file);
// checks if the "file" exists. returns true if it does
G4String StrErrNo() const;
// returns the error message of the last system call as string
G4int Shell(const G4String& str);
// executes the shell command. returns zero if success
G4int CopyFile(const G4String& srcFile, const G4String& dstFile);
// copies the "srcFile" to "dstFile". returns zero if success
G4int DeleteFile(const G4String& file, const G4String& option);
// deletes the "file" with the "option". returns zero if success
G4String GetEnv(const G4String& env);
// retuns the value of environment variable as string
};
#endif