--- /dev/null
+######################################################################
+# $Id$
+#
+# Copyright (C) 2001, the deal.II authors
+#
+# Remove insignificant volatile data from output files of tests
+#
+# Data affected:
+# JobID line (containing date)
+# line number of exceptions
+# start and final residual in iterations
+# small doubles
+######################################################################
+
+# Remove JobID
+
+s/JobId.*//;
+
+# Several data and time strings
+
+s/%%Creation Date:.*//;
+s/# Time =.*//;
+s/# Date =.*//;
+s/^\s+Time =.*//;
+s/^\s+Date =.*//;
+s/Time tag:.*//g;
+
+# Make small exponentials zero
+
+s/-?\d\.\d+e-1\d+/0.00/g;
+
+# All doubles have two decimals
+
+s/(\.\d\d)\d+/\1/g;
+
+# Residual values
+
+s/value.*//;
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