RE: Accessing Environment Variables

In fact, this might make an interesting standard function script as follows:

  source("initenv.bsh");
  loadEnv("env");
  // Now you can access environment vars as env.ENVVAR.
  print(System.getProperty("env.PATH"));

> -----Original Message-----
> From: beanshell-developers-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org 
> [mailto:beanshell-developers-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On 
> Behalf Of Shankar Unni
> Sent: Sunday, February 13, 2005 11:56 AM
> To: 'Patrick Niemeyer'; [email protected]
> Cc: beanshell-developers-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org; 'Nicholas Smith'
> Subject: RE: [Beanshell-dev] Accessing Environment Variables
> 
> > >> java.lang.Error: getenv no longer supported, use properties 
> > >> instead:
> > >> PATH at java.lang.System.getenv(java.lang.String)
> 
> For 1.4, the only workaround is to do something like what Ant 
> does for environment access (the "env" command - run a native 
> command, read the output, and set system properties).  
> 
> Since every Java programmer eventually runs into this, Sun 
> "graciously" put the functionality back (after being 
> persuaded that this was not "os-specific functionality").
> 
> The basic idea behind the native command hack (at least for 
> Windows and Unix-like environments, including MacOSX) is to:
> 
> * Check System.pathSeparatorChar. If ";", run "cmd /c set" 
> (via System.exec()), else run just "set".
> * Read and parse the output, reading line by line, and set 
> system properties with those values (maybe using some prefix 
> naming convention). 
> 
> Some care has to be taken about variables like IFS (whose 
> value contains a newline).
> 
> This logic suffices for 99.9% of the cases (except maybe if 
> you are running Java in some thoroughly alien environment 
> which is not Windows *and* where there is no /bin/sh).
> 
> 
> 
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