diff --git a/scripts/run-morph-tester.sh.in b/scripts/run-morph-tester.sh.in
index c051b8f3..92e8c427 100755
--- a/scripts/run-morph-tester.sh.in
+++ b/scripts/run-morph-tester.sh.in
@@ -35,6 +35,7 @@ if ! test $# -ge 7 ; then
     echo "          tested. Possible values are 'all' and 'specified'."
     echo " SRCDIR   srcdir from automake"
     echo " TOOLKIT  hfst or xfst or such"
+    echo " TOTALFILE will contain test totals, if empty mktemp"
     echo " LEADTEXT is typically the number of the test in a test set loop."
     echo
     echo "LEADTEXT can contain spaces, it is effectively everything after the"
@@ -52,7 +53,11 @@ fsttest=$5
 srcdir=$6
 tk=$7
 shift 7
-leadtext="$@"
+if test -f $1 ; then
+    testtotalsfile=$1
+    shift
+fi
+leadtext="$*"
 
 testfileshort=$(echo "$(basename \
 	$(dirname $testfile))/$(basename $testfile)")
@@ -72,7 +77,9 @@ generatorfile=$fstdir/generator-$transducer
 bare_fst_file=$fstdir/$transducer
 pythonbin=@PYTHON@
 runtests="$pythonbin $relpath/morph-test.py"
-testtotalsfile=$(mktemp -t giella-yaml_test.XXXXXXXXXXX)
+if test -z "$testtotalsfile" ; then
+    testtotalsfile=$(mktemp -t giella-yaml_test.XXXXXXXXXXX)
+fi
 
 # Use autotools mechanisms to only run the configured fst types in the tests:
 fsttype=$tk
diff --git a/scripts/run-yaml-testcases.sh.in b/scripts/run-yaml-testcases.sh.in
index 49ef9028..19f711b5 100755
--- a/scripts/run-yaml-testcases.sh.in
+++ b/scripts/run-yaml-testcases.sh.in
@@ -111,7 +111,8 @@ for file in $testfiles; do
     (( i += 1 ))
     leadtext="YAML test $i: "
     "$relpath/run-morph-tester.sh" \
-        "$transducer" "$file" "$relpath" "$halftest" "all" "$srcdir" "$tk" "$leadtext"
+        "$transducer" "$file" "$relpath" "$halftest" "all" "$srcdir" "$tk" \
+        "$testtotalsfile" "$leadtext"
     rv=$?
     if test $rv = 77 ; then
         exit 77
@@ -179,7 +180,8 @@ for file in ${filepattern[@]}; do
     (( i += 1 ))
     leadtext="YAML test $i: "
     "$relpath/run-morph-tester.sh" \
-            "$transducer" "$file" "$relpath" "$halftest" specified "$srcdir" "$tk" "$leadtext"
+            "$transducer" "$file" "$relpath" "$halftest" specified "$srcdir"\
+            "$tk" "$testtotalsfile" "$leadtext"
     rv=$?
     if test $rv = 77 ; then
         exit 77
@@ -189,11 +191,11 @@ for file in ${filepattern[@]}; do
 done
 
 totalpasses=$( cat "$testtotalsfile" | tr ' ' '\n' | cut -d'/' -f1 \
-			 | tr '\n' ' ' | sed 's/ / + /g' | sed 's/ + $//'  | bc )
+			 | tr '\n' ' ' | sed 's/ / + /g' | sed 's/ + $/\n/' | bc )
 totalfails=$( cat "$testtotalsfile" | tr ' ' '\n' | cut -d'/' -f2 \
-			 | tr '\n' ' ' | sed 's/ / + /g' | sed 's/ + $//'  | bc )
+			 | tr '\n' ' ' | sed 's/ / + /g' | sed 's/ + $/\n/' | bc )
 totaltotals=$( cat "$testtotalsfile" | tr ' ' '\n' | cut -d'/' -f3 \
-			 | tr '\n' ' ' | sed 's/ / + /g' | sed 's/ + $//'  | bc )
+			 | tr '\n' ' ' | sed 's/ / + /g' | sed 's/ + $/\n/' | bc )
 
 red="\033[1;31m"
 green="\033[0;32m"