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https://issues.apache.org/jira/browse/NET-215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12695786#action_12695786
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Sebb commented on NET-215:
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Note that the regex
(\s*.*)
means 0 or more whitespace, followed by 0 or more other characters, so it does
match trailing spaces - as shown by the example.
However, having two "*" quantifiers next to each other tends to make the
parsing slower, as it increases the backtracking that may be required.
> UNIXFTPEntryParser doesn't preserve trailing whitespace in files
> ----------------------------------------------------------------
>
> Key: NET-215
> URL: https://issues.apache.org/jira/browse/NET-215
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.4
> Reporter: Martin Oberhuber
> Priority: Minor
> Fix For: 2.1
>
>
> From https://bugs.eclipse.org/bugs/show_bug.cgi?id=204740 :
> The Commons Net FTP Entry Parsers do not preserve trailing whitespace on file
> names. On systems like UNIX that support trailing whitespace, this results in
> some invalid entries being parsed.
> The bug seems to be in Jakarta Commons Net UnixFTPEntryParser -- in its REGEX,
> the last field ("endtoken") is declared
> (\\s*.*)
> which means any whitespace followed by at least one non-whitespace character.
> Which is not the case in case of trailing whitespace.
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