/* Check for boot drive                                                   */
/* Techniques explained by Dick Goran in his January 1997 Rexx Column in  */
/* OS/2 Magazine, found at http://www.toward.com/cfsrexx/os2-mag/9701.htm */

/* RLANUTIL.DLL, containg GetBootDrive, was added in Warp Connect */
call RxFuncAdd "GetBootDrive", "RLANUTIL", "GetBootDrive"
if RxFuncQuery( "GetBootDrive" ) = 0 then do
	bootdrive = GetBootDrive()
end
else do
	/* This should work in any pre Warp OS/2 version too */
	path = value( "PATH", , "OS2ENVIRONMENT" )
	parse upper value path with ":\OS2\SYSTEM" -1 bootdrive +2
end
say "Boot drive = "||bootdrive