diff --git a/shared.sh b/shared.sh
index 2068cee..d924800 100644
--- a/shared.sh
+++ b/shared.sh
@@ -32,3 +32,10 @@ if [[ "$(uname)" == "Darwin" ]] ; then
         exit 9
     fi
 fi
+
+##==----------------------------------------------------------------------------
+##  Non GitHub compatibility - for testing both locally and in BATS
+
+if [[ -z "${GITHUB_OUTPUT:-}" || -n "${BATS_VERSION:-}" ]] ; then
+    export GITHUB_OUTPUT="/dev/stdout"
+fi