/data/refman/pasoursint/CMSSW_5_3_0/src/FWCore/Utilities/interface/GetEnvironmentVariable.h

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#ifndef Utilities_GetEnvironmentVariable_h
#define Utilities_GetEnvironmentVariable_h

#include <cstdlib>
#include <string>

namespace edm {
  inline
  std::string getEnvironmentVariable (std::string const& name, std::string const& defaultValue = std::string()) {
    char *p = ::getenv(name.c_str());
    return (p ? std::string(p) : defaultValue); 
  }
}
#endif