systemcommand.cpp

   1 /*
   2  *  systemcommand.cpp
   3  *  Mothur
   4  *
   5  *  Created by Sarah Westcott on 7/8/09.
   6  *  Copyright 2009 Schloss Lab UMASS Amherst. All rights reserved.
   7  *
   8  */
   9
  10 #include "systemcommand.h"
  11
  12 //**********************************************************************************************************************
  13
  14 SystemCommand::SystemCommand(string option){
  15         try {
  16                 abort = false;
  17
  18                 //allow user to run help
  19                 if(option == "help") { help(); abort = true; }
  20
  21                 else {
  22                         if (option == "") { mothurOut("You must enter a command to run."); mothurOutEndLine(); abort = true; }
  23                         else { command = option; }
  24                 }
  25
  26         }
  27         catch(exception& e) {
  28                 errorOut(e, "SystemCommand", "SystemCommand");
  29                 exit(1);
  30         }
  31 }
  32 //**********************************************************************************************************************
  33
  34 void SystemCommand::help(){
  35         try {
  36                 mothurOut("The system command allows you to execute a system command from within mothur.\n");
  37                 mothurOut("The system has no parameters.\n");
  38                 mothurOut("The system command should be in the following format: system(yourCommand).\n");
  39                 mothurOut("Example system(clear).\n");
  40         }
  41         catch(exception& e) {
  42                 errorOut(e, "SystemCommand", "help");
  43                 exit(1);
  44         }
  45 }
  46
  47 //**********************************************************************************************************************
  48
  49 int SystemCommand::execute(){
  50         try {
  51
  52                 if (abort == true) { return 0; }
  53
  54                 system(command.c_str());
  55
  56                 return 0;
  57         }
  58
  59         catch(exception& e) {
  60                 errorOut(e, "SystemCommand", "execute");
  61                 exit(1);
  62         }
  63 }
  64
  65 //**********************************************************************************************************************