BLCMDoutput Class Reference

Inheritance diagram for BLCMDoutput:

BLCommand

List of all members.

Detailed Description

class BLCMDoutput redirects stdout and stderr to a file.

Public Member Functions

 BLCMDoutput ()
G4String commandName ()
int command (BLArgumentVector &argv, BLArgumentMap &namedArgs)

Constructor & Destructor Documentation

BLCMDoutput::BLCMDoutput (  ) 

References BLCMDTYPE_CONTROL, BLCommand::registerCommand(), BLCommand::setDescription(), and BLCommand::setSynopsis().

00041 {
00042         registerCommand(BLCMDTYPE_CONTROL);
00043         setSynopsis("redirects stdout and stderr to a file");
00044         setDescription("output requires one argument, the new output file. "
00045                 "Any output generated before this command will not appear in "
00046                 "the file, so this command should come at the start of the "
00047                 "input.file, preceded only by setting parameters. After the "
00048                 "redirection, it will re-print the G4beamline version and the "
00049                 "current parameter values to the file. The most common usage "
00050                 "is to redirect output to a file named like the .root file, "
00051                 "when that is determined by parameter values:\n"
00052                 "    param -unset param1=1.0 param2=3.0\n"
00053                 "    param histofile=$param1,$param2\n"
00054                 "    output $histofile.out");
00055 }

Member Function Documentation

G4String BLCMDoutput::commandName (  )  [inline, virtual]

Implements BLCommand.

00031 { return "output"; }

int BLCMDoutput::command ( BLArgumentVector &  argv,
BLArgumentMap &  namedArgs 
) [virtual]

Implements BLCommand.

References Param, BLCommand::printError(), BLParam::printParam(), and startupPrint().

00058 {
00059         if(argv.size() != 1 || namedArgs.size() != 0) {
00060                 printError("Invalid output command");
00061                 return -1;
00062         }
00063 
00064         FILE *f = fopen(argv[0].c_str(),"w");
00065         if(!f) {
00066                 printError("output: cannot open '%s'\n",argv[0].c_str());
00067         }
00068         fclose(f);
00069 
00070         printf("output redirected to '%s'\n",argv[0].c_str());
00071 
00072         freopen(argv[0].c_str(),"w",stdout);
00073         freopen(argv[0].c_str(),"w",stderr);
00074 
00075         startupPrint(false);
00076         printf("... output redirected to this file '%s'.\n",argv[0].c_str());
00077         Param.printParam();
00078         printf("\n");
00079 
00080         return 0;
00081 }

The documentation for this class was generated from the following file:
g4beamline