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ENH: Add a way to compare two files

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This commit is contained in:
Andy Cedilnik 2005-12-30 15:25:35 -05:00
parent bb618a7db5
commit c690311b76
1 changed files with 14 additions and 0 deletions
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14
Source/cmake.cxx
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@ -718,6 +718,7 @@ void CMakeCommandUsage(const char* program)
<< " copy file destination - copy file to destination (either file or directory)\n" << " copy file destination - copy file to destination (either file or directory)\n"
<< " copy_if_different in-file out-file - copy file if input has changed\n" << " copy_if_different in-file out-file - copy file if input has changed\n"
<< " copy_directory source destination - copy directory 'source' content to directory 'destination'\n" << " copy_directory source destination - copy directory 'source' content to directory 'destination'\n"
<< " compare_files file1 file2 - check if file1 is same as file2\n"
<< " echo [string]... - displays arguments as text\n" << " echo [string]... - displays arguments as text\n"
<< " remove file1 file2 ... - remove the file(s)\n" << " remove file1 file2 ... - remove the file(s)\n"
<< " tar [cxt][vfz] file.tar file/dir1 file/dir2 ... - create a tar.\n" << " tar [cxt][vfz] file.tar file/dir1 file/dir2 ... - create a tar.\n"
@ -777,6 +778,19 @@ int cmake::CMakeCommand(std::vector<std::string>& args)
return 0; return 0;
} }
// Compare files
if (args[1] == "compare_files" && args.size() == 4)
{
if(cmSystemTools::FilesDiffer(args[2].c_str(), args[3].c_str()))
{
std::cerr << "Files \""
<< args[2].c_str() << "\" to \"" << args[3].c_str()
<< "\" are different.\n";
return 1;
}
return 0;
}
// Echo string // Echo string
else if (args[1] == "echo" ) else if (args[1] == "echo" )
{ {