diff --git a/bin/esm-cli.js b/bin/esm-cli.js
index 321aed5..2fae54b 100755
--- a/bin/esm-cli.js
+++ b/bin/esm-cli.js
@@ -44,9 +44,18 @@ const esmodule = splitted.join(':')
 ,	package = resolve('./package.json')
 ,	modulo = resolve( esmodule )
 
-//console.log( process.cwd(), package, modulo )
-//console.log( process.argv, esmodule, exported, args )
+if( process.arguments.flags.debug )
+{
+	console.log( process.cwd(), package, modulo )
+	console.log( `process.argv=%o
+esmodule=%o
+exported=%o
+process.arguments=%o
+`, 
+	process.argv, modulo, exported, process.arguments )
+}
 
+process.arguments.flags.dry && process.exit()
 require = require('esm')( module, {await: true} )
 
 
@@ -60,16 +69,20 @@ render.json = obj=> process.stdout.write( obj && JSON.stringify(obj,null,'\t') |
 render.log = obj=> console.log( obj || '' )
 
 let mod = require( modulo || require(package).module )
-// console.log(mod)
+process.arguments.flags.debug
+	 && console.log(mod)
 
 let toCall = mod[ exported || 'default' ]
-// console.log(mod, exported, toCall)
+process.arguments.flags.debug
+	 && console.log(mod, exported, toCall)
+
 let returned =
 		typeof toCall == 'function'
 				? toCall( process.arguments )
 				: toCall
+process.arguments.flags.debug
+	 && console.log( 'type' , typeof returned, returned instanceof Promise )
 
-//console.log( 'type' , typeof returned, returned instanceof Promise )
 returned instanceof Promise
 		? returned.then( render, e=>console.error(e) )
 		: render(returned)