updating printed help and README

README.md

@@ -2,7 +2,7 @@
 
 [![CI](https://github.com/neilpa/yajsv/workflows/CI/badge.svg)](https://github.com/neilpa/yajsv/actions/)
 
-Yet Another [JSON-Schema](https://json-schema.org) Validator. Command line tool for validating JSON documents against provided schemas.
+Yet Another [JSON-Schema](https://json-schema.org) Validator. Command line tool for validating JSON and YAML documents against provided schemas.
 
 The real credit goes to [xeipuuv/gojsonschema](https://github.com/xeipuuv/gojsonschema) which does the heavy lifting behind this CLI.
 
@@ -18,21 +18,34 @@ There are also pre-built static binaries for Windows, Mac and Linux on the [rele
 
 ## Usage
 
-yajsv validates JSON documents against a schema, providing a status per document:
+yajsv validates JSON and YAML documents against a schema, providing a status per document:
 
   * pass: Document is valid relative to the schema
   * fail: Document is invalid relative to the schema
-  * error: Document is malformed, e.g. not valid JSON
+  * error: Document is malformed, e.g. not valid JSON or YAML
 
 The 'fail' status may be reported multiple times per-document, once for each schema validation failure.
 
 Basic usage
 
+Any combination can be used for schema and document. For example you can use a JSON schema to validate a YAML document.
+
+
+Basic usage example
+
 ```
 $ yajsv -s schema.json document.json
 document.json: pass
 ```
 
+Basic usage example with YAML schema and document:
+
+```
+$ yajsv -s schema.yml document.yml
+document.yml: pass
+```
+
+
 With multiple schema files and docs
 
 ```

main.go

@@ -190,14 +190,14 @@ func jsonLoader(path string) (gojsonschema.JSONLoader, error) {
 }
 
 func printUsage() {
-	fmt.Fprintf(os.Stderr, `Usage: %s -s schema.json [options] document.json ...
+	fmt.Fprintf(os.Stderr, `Usage: %s -s schema.json|schema.yml [options] document.json|document.yml ...
 
-  yajsv validates JSON document(s) against a schema. One of three statuses are
+  yajsv validates JSON and YAML document(s) against a schema. One of three statuses are
   reported per document:
 
     pass: Document is valid relative to the schema
     fail: Document is invalid relative to the schema
-    error: Document is malformed, e.g. not valid JSON
+    error: Document is malformed, e.g. not valid JSON or YAML
 
   The 'fail' status may be reported multiple times per-document, once for each
   schema validation failure.