✨ add check for generated module name

tools/search_file.nas

@@ -0,0 +1,40 @@
+import.std.file;
+import.std.sort;
+
+if (size(arg)!=1) {
+    println("need a key string to search files.");
+    exit(-1);
+}
+
+var needle = arg[0];
+
+var do_flat = func(vec) {
+    var flat = [];
+    var bfs = [vec];
+    while(size(bfs)) {
+        var d = pop(bfs);
+        foreach(var f;d.files) {
+            if (ishash(f)) {
+                append(bfs,f);
+                continue;
+            }
+            append(flat, d.dir~"/"~f);
+        }
+    }
+    sort.sort(flat, func(a,b){return cmp(a,b)<0});
+    return flat;
+}
+
+var count = 0;
+foreach(var f;do_flat(file.recursive_find_files("."))) {
+    var pos = find(needle, f);
+    if (pos == -1) {
+        continue;
+    }
+    count += 1;
+    var begin = substr(f, 0, pos);
+    var end = pos+size(needle)>=size(f)? "":substr(f, pos+size(needle), size(f));
+    println(begin, "\e[95;1m", needle, "\e[0m", end);
+}
+
+println("\n", count, " result(s).");