First batch of extra files

eps/hpr2639/hpr2639_bash9_ex1.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+#
+# Demonstration of the arithmetic expressions as tests
+#
+
+for i in {-3..3}; do
+    echo -n "$i: "
+    if ((i)); then
+        echo "$? true"
+    else
+        echo "$? false"
+    fi
+done
+
+exit