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https://issues.apache.org/jira/browse/HADOOP-8074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13209481#comment-13209481
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Daryn Sharp commented on HADOOP-8074:
-------------------------------------
Levenstein is a very cool idea for suggesting alternatives! Apache Common's
StringUtils even has a method for it. It's a handful of lines to implement, so
I can post a patch with it later today if you can please help me out with
updating the hdfs tests since I've got more demanding priorities...
> Small bug in hadoop error message for unknown commands
> ------------------------------------------------------
>
> Key: HADOOP-8074
> URL: https://issues.apache.org/jira/browse/HADOOP-8074
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Affects Versions: 0.24.0
> Reporter: Eli Collins
> Assignee: Colin Patrick McCabe
> Priority: Trivial
> Fix For: 0.23.2
>
> Attachments: HADOOP-8074.txt
>
>
> The hadoop fs command should be more user friendly if the user forgets the
> dash before the command. Also, this should say "cat" rather than "at".
> {noformat}
> hadoop-0.24.0-SNAPSHOT $ ./bin/hadoop fs cat
> at: Unknown command
> {noformat}
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