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https://issues.apache.org/jira/browse/IO-770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17575143#comment-17575143
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Sita Geßner commented on IO-770:
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Hi [~ArdenL_Liu]
thanks for investigating.
Like I mentioned in the description, I know that underscore is not valid, but
windows allows it and unfortunatly I have to deal with this.
It would be nice if you can add underscore in this pattern.
> FilenameUtils#getFullPathNoEndSeparator has issues with windows and
> underscore in hostname
> ------------------------------------------------------------------------------------------
>
> Key: IO-770
> URL: https://issues.apache.org/jira/browse/IO-770
> Project: Commons IO
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.7, 2.8.0, 2.9.0, 2.10.0, 2.11.0
> Reporter: Sita Geßner
> Priority: Major
>
> After updating commons-io to version 2.11.0 there is an issue with
> FilenameUtils#getFullPathNoEndSeparator only when using Windows.
> When using Linux there are no problems.
> getFullPathNoEndSeparator returns null if the hostname of the path contains
> an underscore. This issue occured since version 2.7
> {code:java}
> private static void commonsIo() {
> final String result = getSubFolderFromFile(new
> File("\\\\sub_1.example.com\\path\\subfolder\\test.pdf"));
> // Fails in common-io:2.11.0 b/c result is null.
> System.out.println("result should be \"subfolder\", but it is: " +
> result);
> }
> private static String getSubFolderFromFile(final File file) {
> return
> FilenameUtils.getBaseName(FilenameUtils.getFullPathNoEndSeparator(file.getAbsolutePath()));
> }
> {code}
> We know hostnames are not supposed to have underscores, but windows allows it
> and unfortunatly we have to deal with this.
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