From ccd2420eff3bc23c3f215a6a12cd31aa671644a2 Mon Sep 17 00:00:00 2001
From: Michele Cereda <cereda.michele@gmail.com>
Date: Wed, 20 Apr 2022 21:00:28 +0200
Subject: [PATCH] Added jsonpath notes to the knowledge base

---
 knowledge base/jsonpath.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 knowledge base/jsonpath.md

diff --git a/knowledge base/jsonpath.md b/knowledge base/jsonpath.md
new file mode 100644
index 0000000..d0d2734
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+++ b/knowledge base/jsonpath.md	
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+# JSONPath
+
+## TL;DR
+
+```shell
+# filter elements
+# only works on arrays, not on maps
+kubectl get serviceaccounts \
+  -o jsonpath="{.items[?(@.metadata.name!='default')].metadata.name}"
+```
+
+## Further readings
+
+- [JSONPath Syntax]
+
+[jsonpath syntax]: https://support.smartbear.com/alertsite/docs/monitors/api/endpoint/jsonpath.html