Created and populated a directory with test drivers.

tests/bin/check.sh

@@ -0,0 +1,15 @@
+#! /bin/sh
+
+NGSPICE=$1
+TEST=$2
+
+DIFFPIPE="Reference|Analysis|CPU|memory|Date|Note|Sun|Mon|Tue|Wed|Thu|Fri|Sat|Jan|Feb|Mar|Apr|Jun|Jul|Aug|Sep|Oct|Nov|Dec"
+
+testname=`basename $TEST .cir`
+testdir=`dirname $TEST`
+$NGSPICE --batch $testdir/$testname.cir 2>&1 | egrep -v $DIFFPIPE > $testname.test
+if diff -u $testdir/$testname.out $testname.test; then
+    rm $testname.test
+    exit 0
+fi
+exit 1

tests/bin/maketest.sh

@@ -0,0 +1,13 @@
+#! /bin/sh
+# 
+# Ngspice test driver. 
+
+NGSPICE=$(src_dir)ngspice
+TEST=$1
+
+DIFFPIPE="Analysis|CPU|memory|Date|Note|Mon|Tue|Wed|Thu|Fri|Sat|Sun"
+
+testname=$(basename $TEST .cir)
+testdir=$(dirname $TEST)
+$NGSPICE < $testdir/$testname.cir 2>&1 | egrep -v $DIFFPIPE > $testname.test
+exit 0