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Question Re: How/where to set environment variable 

Forum: Installation and Configuration
Re: Question How/where to set environment variable (Tim Hodson)
Re: None Re: How/where to set environment variable (Paul Nicholas Colin Gloster)
Date: 22 Feb, 2011
From: Tim Hodson <Tim Hodson>

On Tue, 22 Feb 2011 10:54:26 GMT, Paul Nicholas Colin Gloster wrote:
> C:/Geant4/geant4_9_3_p01/data/G4EMLOW6.9  looks like a reasonable value for  G4LEDATA
> 
> You do not set this in a makefile. It specifies somewhere where the code is to access data when running, not when being compiled.
> 
> I suspect that it is already set for you. Open a Cygwin window and type
> set
> and see whether it outputs a line like
> G4LEDATA=C:/Geant4/geant4_9_3_p01/data/G4EMLOW6.9
> (along with many other lines). If it does not, try to find a file named something like  env.sh  and  cd  to its directory and type
> . ./env.sh
> Along with many other lines, that should output something like
> "On this machine the G4LEDATA=C:/Geant4/geant4_9_3_p01/data/G4EMLOW6.9"
> If that does not work, then you could try typing
> export G4LEDATA=C:/Geant4/geant4_9_3_p01/data/G4EMLOW6.9
> instead of
> setenv G4LEDATA "/usr/local/geant4/data/G4EMLOW4.3"
> 

Thanks so much Paul. I used set and indeed found the line G4LEDATA=C:/Geant4/geant4_9_3_p01/data/G4EMLOW6.9. I then typed export G4LEDATA=C:/Geant4/geant4_9_3_p01/data/G4EMLOW6.9 but get the same thing. When I open it in cygwin all I get is the GEANT4 header. When I double-click the application in windows it says

G4EMDataSet - G4LEDATA environment variable not set

what am I doing wrong?

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