Adding simple tests

test.ksh

@@ -0,0 +1,50 @@
+#!/usr/bin/ksh
+echo "Testing HP-UX compatibility for Rubrik scripts..."
+
+# Check for required commands
+for cmd in ksh awk readlink egrep date dfsdf expr mkdir; do
+  if ! command -v $cmd >/dev/null 2>&1; then
+    echo "ERROR: $cmd not found in PATH"
+  else
+    echo "OK: $cmd found"
+  fi
+done
+
+# Test awk JSON extraction for numChannels
+echo '{"numChannels": 4, "foo": "bar"}' > /tmp/testjson.$$
+numChannels=$(awk '{match($0, /"numChannels":[ ]*[0-9]+/); if (RSTART > 0) {val=substr($0, RSTART, RLENGTH); sub(/.*:[ ]*/, "", val); print val}}' /tmp/testjson.$$)
+if [ "$numChannels" = "4" ]; then
+  echo "OK: awk numChannels extraction works"
+else
+  echo "ERROR: awk numChannels extraction failed (got '$numChannels')"
+fi
+
+# Test awk JSON extraction for ManagedVolume
+echo '{"id":"ManagedVolume:::abc-123-xyz"}' > /tmp/testjson.$$
+mvId=$(awk '{match($0, /ManagedVolume:::[a-z0-9-]*/); if (RSTART > 0) {id=substr($0, RSTART, RLENGTH); sub(/"$/, "", id); print id}}' /tmp/testjson.$$)
+if [ "$mvId" = "ManagedVolume:::abc-123-xyz" ]; then
+  echo "OK: awk ManagedVolume extraction works"
+else
+  echo "ERROR: awk ManagedVolume extraction failed (got '$mvId')"
+fi
+
+# Test readlink
+ln -s /tmp/testjson.$$ /tmp/testlink.$$
+linkres=$(readlink /tmp/testlink.$$ 2>/dev/null)
+if [ "$linkres" = "/tmp/testjson.$$" ]; then
+  echo "OK: readlink works"
+else
+  echo "WARNING: readlink did not return expected result (got '$linkres')"
+fi
+rm -f /tmp/testjson.$$ /tmp/testlink.$$
+
+# Test expr arithmetic
+i=0
+i=$(expr $i + 1)
+if [ "$i" = "1" ]; then
+  echo "OK: expr arithmetic works"
+else
+  echo "ERROR: expr arithmetic failed"
+fi
+
+echo "Testing complete."