diff -r 73ed8cb8ac4d -r 94d32a7cd0fb lib/scripts/run-polyml-4.2.0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/scripts/run-polyml-4.2.0	Thu Mar 06 19:21:26 2008 +0100
@@ -0,0 +1,107 @@
+#!/usr/bin/env bash
+#
+# $Id$
+# Author: Markus Wenzel, TU Muenchen
+#
+# Poly/ML 4.x startup script.
+
+export -n INFILE OUTFILE COPYDB COMPRESS MLTEXT TERMINATE NOWRITE
+
+
+## diagnostics
+
+function fail_out()
+{
+  echo "Unable to create output heap file: \"$OUTFILE\"" >&2
+  exit 2
+}
+
+function check_file()
+{
+  if [ ! -f "$1" ]; then
+    echo "Unable to locate $1" >&2
+    echo "Please check your ML system settings!" >&2
+    exit 2
+  fi
+}
+
+
+## Poly/ML executable and database
+
+ML_DBASE_PREFIX=""
+
+POLY="$ML_HOME/poly"
+check_file "$POLY"
+
+if [ -z "$ML_DBASE" ]; then
+  if [ ! -e "$ML_HOME/ML_dbase" -a "$(basename "$ML_HOME")" = bin ]; then
+    ML_DBASE_HOME="$(cd "$ML_HOME"; cd "$(pwd -P)"; cd ../lib/poly; pwd)"
+  else
+    ML_DBASE_HOME="$ML_HOME"
+  fi
+  if [ -z "$COPYDB" ]; then
+    ML_DBASE_PREFIX="$ML_DBASE_HOME/"
+    ML_DBASE="ML_dbase"
+  else
+    ML_DBASE="$ML_DBASE_HOME/ML_dbase"
+  fi
+  export POLYPATH="$ML_DBASE_HOME"
+else
+  export POLYPATH="$(dirname "$ML_DBASE")"
+fi
+
+DISCGARB_OPTIONS="-d -c"
+
+EXIT="fun exit 0 = (OS.Process.exit OS.Process.success): unit | exit _ = OS.Process.exit OS.Process.failure;"
+
+
+## prepare databases
+
+if [ -z "$INFILE" ]; then
+  check_file "$ML_DBASE_PREFIX$ML_DBASE"
+  INFILE="$ML_DBASE"
+  MLTEXT="val use = PolyML.use; $EXIT $MLTEXT"
+  DISCGARB_OPTIONS="$DISCGARB_OPTIONS -S max"
+else
+  COPYDB=true
+fi
+
+if [ -z "$OUTFILE" ]; then
+  DB="$INFILE"
+  ML_OPTIONS="-r $ML_OPTIONS"
+elif [ "$INFILE" -ef "$OUTFILE" ]; then
+  DB="$INFILE"
+elif [ -n "$COPYDB" ]; then
+  [ -f "$OUTFILE" ] && { rm -f "$OUTFILE" || fail_out; }
+  cp "$INFILE" "$OUTFILE" || fail_out
+  chmod +w "$OUTFILE" || fail_out
+  DB="$OUTFILE"
+else
+  [ -f "$OUTFILE" ] && { rm -f "$OUTFILE" || fail_out; }
+  echo "PolyML.make_database \"$OUTFILE\"; PolyML.quit();" | "$POLY" -r "$INFILE"
+  [ -f "$OUTFILE" ] || fail_out
+  DB="$OUTFILE"
+fi
+
+
+## run it!
+
+if [ -z "$TERMINATE" ]; then
+  FEEDER_OPTS=""
+else
+  FEEDER_OPTS="-q"
+fi
+
+DB_INFO="$(ls -l "$DB" 2>/dev/null)"
+
+"$ISABELLE_HOME/lib/scripts/feeder" -p -h "$MLTEXT" $FEEDER_OPTS | {
+  read FPID; "$POLY" $ML_OPTIONS "$DB";
+  RC="$?"; kill -HUP "$FPID"; exit "$RC"; }
+RC="$?"
+
+NEW_DB_INFO="$(ls -l "$DB" 2>/dev/null)"
+[ -n "$OUTFILE" -a -n "$COMPRESS" -a "$DB_INFO" != "$NEW_DB_INFO" ] && \
+  "$POLY" $DISCGARB_OPTIONS "$OUTFILE"
+[ -n "$OUTFILE" -a -f "$OUTFILE" -a -n "$NOWRITE" ] && chmod -w "$OUTFILE"
+
+exit "$RC"