diff --git a/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/File.kt b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/File.kt
index 02a302e4..2ccb74f6 100644
--- a/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/File.kt
+++ b/common/src/commonMain/kotlin/net/dankito/utils/multiplatform/File.kt
@@ -13,6 +13,8 @@ expect class File(path: String) {
 
     val fileExtension: String
 
+    val parent: File?
+
 
     fun mkdirs(): Boolean
 
diff --git a/common/src/iosMain/kotlin/net/dankito/utils/multiplatform/File.kt b/common/src/iosMain/kotlin/net/dankito/utils/multiplatform/File.kt
index 4c9c8b43..f10c2f25 100644
--- a/common/src/iosMain/kotlin/net/dankito/utils/multiplatform/File.kt
+++ b/common/src/iosMain/kotlin/net/dankito/utils/multiplatform/File.kt
@@ -1,8 +1,6 @@
 package net.dankito.utils.multiplatform
 
-import platform.Foundation.NSFileManager
-import platform.Foundation.NSURL
-import platform.Foundation.lastPathComponent
+import platform.Foundation.*
 
 
 actual class File actual constructor(path: String) : NSURL(fileURLWithPath = path) {
@@ -19,7 +17,10 @@ actual class File actual constructor(path: String) : NSURL(fileURLWithPath = pat
         get() = lastPathComponent ?: ""
 
     actual val fileExtension: String
-        get() = filename.substringAfterLast('.', "")
+        get() = this.pathExtension ?: filename.substringAfterLast('.', "")
+
+    actual val parent: File?
+        get() = this.URLByDeletingLastPathComponent?.absoluteString?.let { File(it) }
 
 
     actual fun mkdirs(): Boolean {
diff --git a/common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/File.kt b/common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/File.kt
index e6fd6b1f..dcf1191e 100644
--- a/common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/File.kt
+++ b/common/src/jvmMain/kotlin/net/dankito/utils/multiplatform/File.kt
@@ -1,17 +1,15 @@
 package net.dankito.utils.multiplatform
 
-import java.io.File
 
-
-fun File.toFile(): net.dankito.utils.multiplatform.File {
-    return net.dankito.utils.multiplatform.File(this.absolutePath)
+fun java.io.File.toFile(): File {
+    return File(this.absolutePath)
 }
 
 
-actual class File actual constructor(path: String) : File(path) {
+actual class File actual constructor(path: String) : java.io.File(path) {
 
-    actual constructor(folder: net.dankito.utils.multiplatform.File, filename: String)
-            : this(File(folder, filename).absolutePath)
+    actual constructor(folder: File, filename: String)
+            : this(java.io.File(folder, filename).absolutePath)
 
 
     internal constructor() : this("") // for object deserializers
@@ -27,6 +25,9 @@ actual class File actual constructor(path: String) : File(path) {
     actual val fileExtension: String
         get() = this.extension
 
+    actual val parent: File?
+        get() = this.parentFile?.absolutePath?.let { File(it) }
+
 
     actual override fun mkdirs(): Boolean {
         return super.mkdirs()