Gradle : How to read all files in a directory using FileTree

Introduction to FileTree in Gradle Api

FileTree is an interface that extends FileCollection and introduces methods like matching() and visit(). It class represents a hierarchy of files in a given directory. It includes files in same folder and all sub folders.

How to get all files in a Directory

File Structure

To load all files in a given directory and its sub directories you can use FileTree. Syntax for FileTree is as shown below.

FileTree tree = fileTree('path/to/dir')

The FileTree can get files in following ways

  1. from relative path
  2. from

We can write a gradle task to list all the files in the src folder as shown below.


task loadFiles(){
    doLast{
        FileTree tree = fileTree('src')
        tree.each {
            println it.name
        }
    }
}

When we run the aobe task using command gradle -q loadFiles it will give the following output

sample1.txt
sample2txt
file1.properties
A.java

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