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https://issues.apache.org/jira/browse/HADOOP-8456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13488521#comment-13488521
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Ivan Mitic commented on HADOOP-8456:
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bq. In other words, we should implement 'expected behavior' not necessarily
what is convenient if there is a collision. (But convenience can always be
provided via an option...) So if cygwin/sua show with spaces by default, that's
what we should do. If they provide an option that puts separators in place,
that's what we should. Consistency is key for (inter)operability.
Thanks Allen for commenting. We have generally tried to keep the consistency
for expected behavior. For example, {{winutils ls}} will by default use the
same format as Cygwin {{ls}} (with spaces). Given that this does not work for
all cases on Windows, we introduced a flag that gives us the functionality we
need. I honestly tried to find an existing flag when I first implemented this,
but couldn't find one. It is totally possible that I missed it, please let me
know if this is the case.
> Support spaces in user names and group names in results returned via winutils
> -----------------------------------------------------------------------------
>
> Key: HADOOP-8456
> URL: https://issues.apache.org/jira/browse/HADOOP-8456
> Project: Hadoop Common
> Issue Type: Bug
> Components: native
> Affects Versions: 1-win
> Reporter: Chuan Liu
> Assignee: Ivan Mitic
> Priority: Minor
> Attachments: HADOOP-8456.branch-1-win.spaces.2.patch,
> HADOOP-8456.branch-1-win.spaces.patch
>
>
> When parsing results returned by ‘ls’, we made implicit assumption that user
> and group names cannot contain spaces. On Linux, spaces are not allowed in
> user names and group names. This is not the case for Windows. We need to find
> a way to fix the problem for Windows.
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