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Date: Thu, 7 Feb 2008 16:11:11 -0800 (PST)
From: "Robert Chansler (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-2461) Configuration should trim property
 names and accept decimal, hexadecimal, and octal numbers
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     [ https://issues.apache.org/jira/browse/HADOOP-2461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Chansler updated HADOOP-2461:
------------------------------------


No special invented formats!

I'm persuaded that it is convenient and less error prone to set a file mode to 0777 or to set a length of 0x10000 bytes.

How large is the community of the confused if we choose a representation that is in the intersection of C and Java?

> Configuration should trim property names and accept decimal, hexadecimal, and octal numbers
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-2461
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2461
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: conf
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>         Attachments: 2461_20071218.patch
>
>
> I suggest two improvements in reading configuration:
> - Suppose we have the following property in a conf file.
> {code}
> <property>
> <name>
> testing.property</name>
> <value>something</value>
> </property>
> {code}
> Try to get it by
> {code}
> Configuration conf = new Configuration();
> String value = conf.get("testing.property"); //value == null here
> {code}
> We will get null since there is an eol in 
> {code}
> <name>
> testing.property</name>
> {code}
> I suggest to trim all property names.
> - I also suggest configuration to accept decimal, hexadecimal, and octal numbers (e.g. 011 is 9, 0xA is 10)
> It can be easily done by replacing Integer.parseInt(...) with Integer.decode(...) in Configuration.getInt(...), similarly, in Configuration.getLong(...).

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