create named pipe;

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/Tools/mkfifo	Thu Aug 28 19:31:13 2008 +0200
@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+#
+# $Id$
+# Author: Makarius
+#
+# DESCRIPTION: create named pipe
+
+
+PRG="$(basename "$0")"
+
+function usage()
+{
+  echo
+  echo "Usage: $PRG"
+  echo
+  echo "  Create a temporary named pipe and return its name."
+  echo
+  exit 1
+}
+
+function fail()
+{
+  echo "$1" >&2
+  exit 2
+}
+
+
+## main
+
+[ "$#" != 0 ] && usage
+
+FIFO="${ISABELLE_TMP_PREFIX}-fifo$$"
+mkfifo -m 600 "$FIFO" || fail "Failed to create named pipe $FIFO"
+echo "$FIFO"