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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (HADOOP-13093) Discuss whether dfs -ls should escape control characters on terminal
Date Fri, 06 May 2016 18:23:12 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13093?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HADOOP-13093:
--------------------------------------
    Comment: was deleted

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> Discuss whether dfs -ls should escape control characters on terminal
> --------------------------------------------------------------------
>
>                 Key: HADOOP-13093
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13093
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>
> HADOOP-13079 adds option {{-q}} to {{dfs -ls}} to print non-printable characters as "?".
This jira will decide whether to make {{-q}} the default for {{dfs -ls}} on a terminal.
> This is a split of HADOOP-13079. The split gives us more time to debate the proper default
behavior and enables different target versions.
> To test whether STDOUT is connected to a terminal, I will use {{System.console() != null}},
fully aware its limitation. JNI {{isatty(3)}} is possible but too problematic as pointed out
by [~cmccabe].
> I will survey FsShell and hdfs commands and their proper expected default behaviors.
Thanks [~andrew.wang] for the suggestion. More jiras may follow.



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