src/Pure/System/isabelle_system.scala
changeset 31703 4e6064759aeb
parent 31520 0a99c8716312
child 31704 b8628ac68b73
equal deleted inserted replaced
31702:1494ded298a6 31703:4e6064759aeb
   111   def getenv_strict(name: String): String =
   111   def getenv_strict(name: String): String =
   112   {
   112   {
   113     val value = getenv(name)
   113     val value = getenv(name)
   114     if (value != "") value else error("Undefined environment variable: " + name)
   114     if (value != "") value else error("Undefined environment variable: " + name)
   115   }
   115   }
       
   116 
       
   117   override def toString = getenv("ISABELLE_HOME")
   116 
   118 
   117 
   119 
   118   /* file path specifications */
   120   /* file path specifications */
   119 
   121 
   120   private val Cygdrive = new Regex(
   122   private val Cygdrive = new Regex(