MdcAlignAlg/MdcAlignAlg-00-01-04/share/distAlign/src/fun.cpp File Reference

#include <iostream>
#include <sstream>
#include <cstdio>
#include <vector>
#include <cstdlib>
#include "TFile.h"
#include "TTree.h"
#include "include/fun.h"

Go to the source code of this file.

Functions
vector< string >	getHistList ()
vector< string >	getHistList (string path)

Function Documentation

getHistList() [1/2]

vector< string > getHistList

(

)

Definition at line 14 of file MdcAlignAlg/MdcAlignAlg-00-01-04/share/distAlign/src/fun.cpp.

{
   vector<string> fnames;
 
   string command(
     "JobOutputDir=`/bin/ls -dt1 joboutput-* 2>/dev/null | head -1`\n"
     "if [ -d \"${JobOutputDir}\" ]; then\n"
     "  find ${JobOutputDir} -name hist.root\n"
     "fi\n"
     );
 
   stringstream fnstream;
 
   char* fnbuf   = new char[1024];
   FILE* fstream = popen(command.c_str(), "r");
 
   while ( fgets(fnbuf, 1024, fstream) != NULL ) {
      fnstream << fnbuf;
   }
 
   string fname;
   while ( ! (fnstream>>fname).eof() ) {
      fnames.push_back(fname);
   }
 
   pclose(fstream);
   delete [] fnbuf;
 
   if ( fnames.empty() ) {
      cout << "WARNING: Failed to retrieve hist files in the current directory!" << endl;
//       exit(1);
   }
   return fnames;
}

Referenced by main().

getHistList() [2/2]

vector< string > getHistList

(

string

path

)

Definition at line 49 of file MdcAlignAlg/MdcAlignAlg-00-01-04/share/distAlign/src/fun.cpp.

{
   vector<string> fnames;
   string newpath = path;
   string::size_type strl = newpath.length();
   if((strl>1) && ('/'==newpath[strl-1])) newpath.erase(strl-1);
 
   char com1[500];
   sprintf(com1, "JobOutputDir=`/bin/ls -dt1 %s/joboutput-* 2>/dev/null | head -1`\n", newpath.c_str());
   string command1(com1);
   string command2(
     "if [ -d \"${JobOutputDir}\" ]; then\n"
     "  find ${JobOutputDir} -name hist.root\n"
     "fi\n"
     );
   string command = command1 + command2;
   stringstream fnstream;
 
   char* fnbuf   = new char[1024];
   FILE* fstream = popen(command.c_str(), "r");
 
   while ( fgets(fnbuf, 1024, fstream) != NULL ) {
      fnstream << fnbuf;
   }
 
   string fname;
   while ( ! (fnstream>>fname).eof() ) {
      fnames.push_back(fname);
   }
 
   pclose(fstream);
   delete [] fnbuf;
 
   if ( fnames.empty() ) {
      cout << "ERROR: Failed to retrieve hist files!" << endl;
      exit(1);
   }
   return fnames;
}