Kotlin: Copy Directory Recursively Including Dot Files

Table of Contents

Here’s the way to copy directory recursively including dot files in Kotlin. I wanted do that with command but I couldn’t. So I used Kotlin.

Environment

Kotlin 1.1.2

Code to Copy Directory

I used java.io.File, so it is intrinsically the same as in Java.

import java.io.File
val s = File("source_directory")
val d = File("destination_directory")
s.copyRecursively(d, true)

import java.io.File

val s = File("source_directory")

val d = File("destination_directory")

s.copyRecursively(d, true)

Supplement

Second argument of copyRecursively method defines to not to override when the file exists at the copy destination.

Copy All Files and Directories in the Directory

import java.io.File
val s = File("source_directory")
val d = File("destination_directory")
s.listFiles().forEach { it.copyRecursively(File(File(d.absolutePath).parent + '/' + it.name)) }

import java.io.File

val s = File("source_directory")

val d = File("destination_directory")

s.listFiles().forEach { it.copyRecursively(File(File(d.absolutePath).parent + '/' + it.name)) }

The first argiment copyRecursively receives is complicated, but it’s for the case when d is defined with relative path.

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