Manage empty results.

27-01-2021-grepString/grepHttp.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
-out=`find . -name '*.java' -exec grep 'http://' /dev/null {} +`
-echo "${out}"
-if [[  -n "${out}" && "$(grep '\.java' <<< ${out})" ]]; then
+out=`find . -name '*.java' -exec grep 'http://' /dev/null {} + || echo 'empty'`
+if [[ ["${out}" != "empty"] && "$(grep '\.java' <<< ${out})" ]]; then
+    echo "${out}"
     echo "HTTP protocol found"
 else
     echo "HTTP protocol not found"