[Refactor] bin/tape: make it a bit more functional, for easier v5 b…

…ackporting

bin/tape

@@ -47,17 +47,19 @@ if (typeof opts.ignore === 'string') {
 
 var glob = require('glob');
 
-opts._.forEach(function (arg) {
+opts._.reduce(function (result, arg) {
     // If glob does not match, `files` will be an empty array. Note: `glob.sync` may throw an error and crash the node process.
     var files = glob.sync(arg);
 
     if (!Array.isArray(files)) {
         throw new TypeError('unknown error: glob.sync did not return an array or throw. Please report this.');
     }
 
-    files.filter(function (file) { return !matcher || !matcher.shouldIgnore(file); }).forEach(function (file) {
-        require(resolvePath(cwd, file));
-    });
+    return result.concat(files);
+}, []).filter(function (file) {
+    return !matcher || !matcher.shouldIgnore(file);
+}).forEach(function (file) {
+    require(resolvePath(cwd, file));
 });
 
 // vim: ft=javascript