| [818] | 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | // File: G4FileUtilities.hh
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| 27 | //
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| 28 | // History:
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| 29 | // 01.08.24 Youhei Morita Initial creation
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| 30 |
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| 31 | #ifndef FILE_UTILITIES_HH
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| 32 | #define FILE_UTILITIES_HH 1
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| 33 |
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| 34 | #include "G4Types.hh"
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| 35 |
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| 36 | #include <sys/types.h>
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| 37 | #include <fcntl.h>
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| 38 | #include <unistd.h>
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| 39 | #include <errno.h>
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| 40 | #include <stdlib.h>
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| 41 | #include <string.h>
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| 42 | #include <string>
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| 43 | #include <iostream>
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| 44 |
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| 45 |
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| 46 | // Class Description:
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| 47 | // File utilities to access files with POSIX interface.
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| 48 |
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| 49 | class G4FileUtilities
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| 50 | {
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| 51 | public: // With description
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| 52 | G4FileUtilities();
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| 53 | // Constructor
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| 54 |
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| 55 | ~G4FileUtilities();
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| 56 | // Destructor
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| 57 |
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| 58 | public: // With description
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| 59 | G4bool FileExists(const std::string file);
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| 60 | // checks if the "file" exists. returns true if it does.
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| 61 |
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| 62 | std::string StrErrNo() const { return ::strerror(errno); };
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| 63 | // returns the error message of the last system call as string.
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| 64 |
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| 65 | int Shell(std::string s) { return ::system(s.c_str()); };
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| 66 | // execute the shell command. returns zero if success.
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| 67 |
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| 68 | int CopyFile(const std::string srcFile, const std::string dstFile);
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| 69 | // copies the "srcFile" to "dstFile". returns zero if success.
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| 70 |
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| 71 | int DeleteFile(const std::string file, const std::string option);
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| 72 | // deletes the "file" with the "option". returns zero if success.
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| 73 |
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| 74 | std::string GetEnv(const std::string env) { return ::getenv(env.c_str()); };
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| 75 | // retuns the value of environment variable as string.
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| 76 |
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| 77 | }; // End of class G4FileUtilities
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| 78 |
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| 79 | #endif
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| 80 |
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