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https://issues.apache.org/jira/browse/IO-173?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary D. Gregory closed IO-173.
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Version 2.2 has been released and addresses this issue.
> FileUtils.listFiles() doesn't return directories
> ------------------------------------------------
>
> Key: IO-173
> URL: https://issues.apache.org/jira/browse/IO-173
> Project: Commons IO
> Issue Type: Improvement
> Components: Utilities
> Affects Versions: 1.4
> Reporter: François Loison
> Fix For: 2.2
>
> Attachments: IO-173.patch, IO-173.patch
>
>
> FileUtils.listFiles() returns only files and not directories.
> So it can't be used to retrieve sub-directories.
> Some fix could be applied:
> {code}
> private static void innerListFiles(Collection files, File directory,
> IOFileFilter filter) {
> File[] found = directory.listFiles((FileFilter) filter);
> if (found != null) {
> for (int i = 0; i < found.length; i++) {
> if (found[i].isDirectory()) {
> >>> fix
> if ( addDirectories ) {
> files.add(found[i]);
> }
> >>> end fix
> innerListFiles(files, found[i], filter);
> } else {
> files.add(found[i]);
> }
> }
> }
> }
> {code}
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