From f47bdf5ca121e03c20fa18d39e2695aa31a15c51 Mon Sep 17 00:00:00 2001
From: John Gee <john@ruru.gen.nz>
Date: Wed, 29 Jul 2020 10:31:50 +1200
Subject: [PATCH] Tidy up example now check for required command arguments
 (#1320)

---
 Readme.md    | 11 ++---------
 examples/env | 13 +++----------
 2 files changed, 5 insertions(+), 19 deletions(-)

diff --git a/Readme.md b/Readme.md
index 577a16396..7f9e110e0 100644
--- a/Readme.md
+++ b/Readme.md
@@ -376,18 +376,11 @@ program
   .version('0.1.0')
   .arguments('<cmd> [env]')
   .action(function (cmd, env) {
-    cmdValue = cmd;
-    envValue = env;
+    console.log('command:', cmdValue);
+    console.log('environment:', envValue || 'no environment given');
   });
 
 program.parse(process.argv);
-
-if (typeof cmdValue === 'undefined') {
-  console.error('no command given!');
-  process.exit(1);
-}
-console.log('command:', cmdValue);
-console.log('environment:', envValue || "no environment given");
 ```
 
  The last argument of a command can be variadic, and only the last argument.  To make an argument variadic you
diff --git a/examples/env b/examples/env
index e6b62034a..ba91bfdc4 100755
--- a/examples/env
+++ b/examples/env
@@ -12,16 +12,9 @@ let envValue;
 program
   .version('0.0.1')
   .arguments('<cmd> [env]')
-  .action(function(cmd, env) {
-    cmdValue = cmd;
-    envValue = env;
+  .action(function(cmdValue, envValue) {
+    console.log('command:', cmdValue);
+    console.log('environment:', envValue || 'no environment given');
   });
 
 program.parse(process.argv);
-
-if (typeof cmdValue === 'undefined') {
-  console.error('no command given!');
-  process.exit(1);
-}
-console.log('command:', cmdValue);
-console.log('environment:', envValue || 'no environment given');