Rewrite yaml2json in Python

yaml2json

@@ -1,17 +1,20 @@
-#!/usr/bin/env bash
-
+#!/usr/bin/env python3
+#
 # YAML to JSON conversion script
 # Based on https://www.geeksforgeeks.org/convert-yaml-to-json/
 #
-# This script takes a YAML file as the first arg and outputs the
-# converted JSON to stdout.
+# This script takes a YAML file as the first arg, converts the
+# YAML content to JSON, and outputs the converted JSON content
+# to stdout.
 
-set -e
+import json
+import sys
 
-if ! python -c "import yaml" &>/dev/null; then
-    echo -e "PyYAML is not installed."
-fi
+import yaml
 
-if ! python -c "import yaml, json; print(json.dumps(yaml.load(open('${1}'), Loader=yaml.FullLoader), indent=4))"; then
-    echo "Some kinda error occurred while attempting to convert YAML to JSON"
-fi
+try:
+    print(json.dumps(yaml.load(open(sys.argv[1]), Loader=yaml.FullLoader), indent=4))
+except IndexError:
+    print("YAML file must be supplied as first arg")
+except FileNotFoundError:
+    print("YAML file not found")