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From "Jonathan Allen (JIRA)" <j...@apache.org>
Subject [jira] [Moved] (HADOOP-9158) Tidy up fs -help
Date Tue, 18 Dec 2012 15:14:12 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9158?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jonathan Allen moved HDFS-4322 to HADOOP-9158:

        Key: HADOOP-9158  (was: HDFS-4322)
    Project: Hadoop Common  (was: Hadoop HDFS)
> Tidy up fs -help
> ----------------
>                 Key: HADOOP-9158
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9158
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Jonathan Allen
>            Assignee: Jonathan Allen
>            Priority: Minor
> There are a number of issues with the current fs -help implementation that could do with
tidying up.
> 1) Running 'hadoop fs -help' displays the full detailed help for all commands.  This
produces a large amount of text and makes it hard to find what you're looking for.  Better
functionality would be:
> - hadoop fs -usage : shows the basic usage information for all commands
> - hadoop fs -help : shows usage and brief summary (couple of lines) for all commands
> - hadoop fs -help <command> : shows full description of the specified command
> 2) Help text is hardcoded into each command class. This should be replaced by resource
files to allow internationalisation.
> 3) Line breaks are hardcoded into the help text. The help text should be auto-formatted
at display time.

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