Use CLI to exit rather than throw

Author: kgryte

lib/node_modules/@stdlib/_tools/pkgs/readmes/bin/cli

@@ -28,26 +28,6 @@ var CLI = require( '@stdlib/cli/ctor' );
 var find = require( './../lib' ); // eslint-disable-line stdlib/no-redeclare
 
 
-// FUNCTIONS //
-
-/**
-* Callback invoked after finding package READMEs.
-*
-* @private
-* @param {(Error|null)} error - error object
-* @param {(EmptyArray|StringArray)} files - list of files
-* @throws {Error} unexpected error
-*/
-function onFiles( error, files ) {
-	if ( error ) {
-		throw error;
-	}
-	if ( files.length ) {
-		console.log( files.join( '\n' ) ); // eslint-disable-line no-console
-	}
-}
-
-
 // MAIN //
 
 /**
@@ -96,6 +76,23 @@ function main() {
 	}
 	// Find package READMEs:
 	find( opts, onFiles );
+
+	/**
+	* Callback invoked after finding package READMEs.
+	*
+	* @private
+	* @param {(Error|null)} error - error object
+	* @param {(EmptyArray|StringArray)} files - list of files
+	* @returns {void}
+	*/
+	function onFiles( error, files ) {
+		if ( error ) {
+			return cli.error( error );
+		}
+		if ( files.length ) {
+			console.log( files.join( '\n' ) ); // eslint-disable-line no-console
+		}
+	}
 }
 
 main();