Working with files in Groovy is very easy. We have a lot of useful methods available in the File class. For example we can run a Closure for each file that can be found in a directory with the eachFile() method. Since Groovy 1.7.1 we can define if we only want to process the directories, files or both. To do this we must pass a FileType constant to the method. See the following example code:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | import groovy.io.FileType// First create sample dirs and files.(1..3).each { new File("dir$it").mkdir() }(1..3).each { def file = new File("file$it") file << "Sample content for ${file.absolutePath}"}def currentDir = new File('.')def dirs = []currentDir.eachFile FileType.DIRECTORIES, { dirs << it.name}assert 'dir1,dir2,dir3' == dirs.join(',')def files = []currentDir.eachFile(FileType.FILES) { files << it.name}assert 'file1,file2,file3' == files.join(',')def found = []currentDir.eachFileMatch(FileType.ANY, ~/.*2/) { found << it.name}assert 'dir2,file2' == found.join(',') |
