#24 #25 #33 new: sftp file edit

lib/core/extension/sftpfile.dart

@@ -0,0 +1,15 @@
+import 'package:dartssh2/dartssh2.dart';
+
+extension SftpFile on SftpFileMode {
+  String get str {
+    final user = getRoleMode(userRead, userWrite, userExecute);
+    final group = getRoleMode(groupRead, groupWrite, groupExecute);
+    final other = getRoleMode(otherRead, otherWrite, otherExecute);
+
+    return '$user$group$other';
+  }
+}
+
+String getRoleMode(bool r, bool w, bool x) {
+  return '${r ? 'r' : '-'}${w ? 'w' : '-'}${x ? 'x' : '-'}';
+}