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File: [Pegasus] / pegasus / src / utils / mu / PrependCmd.cpp
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Revision: 1.3, Wed Apr 25 20:06:37 2001 UTC (23 years, 2 months ago) by mike Branch: MAIN CVS Tags: version_1_01, version_0_99_1, version_0_99, version_0_97_3, version_0_97_2, version_0_97_1, version_0_97, version_0_96, version_0_95, version_0_79_4, stable_0_95, stable, main Branch point for: dev Changes since 1.2: +25 -0 lines new |
//%============================================================================= // // Copyright (c) 2000 The Open Group, BMC Software, Tivoli Systems, IBM // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // //------------------------------------------------------------------------------ // // Author: Michael E. Brasher // //%============================================================================= #include <iostream> #include <fstream> #include "Files.h" #include "PrependCmd.h" #include "Files.h" static int _Prepend( const string& arg0, const string& prependFile, const string& changeFile) { // -- Open first input file: ifstream is1(prependFile.c_str()); if (!is1) { cerr << arg0 << ": failed to open \"" << prependFile << "\"" << endl; return 1; } // -- Open second input file: ifstream is2(changeFile.c_str()); if (!is2) { cerr << arg0 << ": failed to open \"" << changeFile << "\"" << endl; return 1; } // -- Open output temporary file: string tmpFileName = changeFile + ".tmp"; ofstream os(tmpFileName.c_str()); if (!os) { cerr << arg0 << ": failed to open \"" << tmpFileName << "\"" << endl; return 1; } // -- Write contents of two input files to the output file: string line; while (getline(is1, line)) os << line << endl; while (getline(is2, line)) os << line << endl; is1.close(); is2.close(); os.close(); // -- Copy temporary file back over change file: if (!CopyFile(tmpFileName, changeFile)) { cerr << arg0 << ": failed to copy file" << endl; return 1; } // -- Remove the temporary file: RemoveFile(tmpFileName); return 0; } int PrependCmd(const vector<string>& args) { // -- Check arguments: if (args.size() < 3) { cerr << args[0] << ": insufficient arguments" << endl; return 1; } // -- Create glob list: vector<string> fileNames; for (size_t i = 2; i < args.size(); i++) Glob(args[i], fileNames); // -- For each matching file: for (size_t i = 0; i < fileNames.size(); i++) { int result = _Prepend(args[0], args[1], fileNames[i]); if (result != 0) return result; } return 0; }
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