diff -r e7265e70fd7c -r 915c5de6480f bin/isabelle-interface
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/isabelle-interface	Sat Sep 08 20:00:31 2001 +0200
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+#
+# $Id$
+# Author: Markus Wenzel, TU Muenchen
+# License: GPL (GNU GENERAL PUBLIC LICENSE)
+#
+# Isabelle interface startup script.
+
+
+## settings
+
+PRG="$(basename "$0")"
+
+ISABELLE_HOME="$(dirname "$0")/.."
+. "$ISABELLE_HOME/lib/scripts/getsettings" || \
+  { echo "$PRG probably not called from its original place!"; exit 2; }
+
+
+## diagnostics
+
+function fail()
+{
+  echo "$1" >&2
+  exit 2
+}
+
+
+## main
+
+case "$ISABELLE_INTERFACE" in
+  none)
+    INTERFACE="$ISABELLE"
+    ;;
+  */*)
+    INTERFACE="$ISABELLE_INTERFACE"
+    ;;
+  *)
+    INTERFACE="$ISABELLE_HOME/lib/scripts/isa-$ISABELLE_INTERFACE"
+    ;;
+esac
+
+[ ! -x "$INTERFACE" ] && fail "Bad Isabelle interface: \"$ISABELLE_INTERFACE\""
+
+exec "$INTERFACE" "$@"