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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1400) sed in build.xml fails
Date Tue, 26 Jan 2010 00:28:34 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12804813#action_12804813
] 

Allen Wittenauer commented on MAPREDUCE-1400:
---------------------------------------------

FWIW, Single UNIX ® Specification, Version 2, defines these as:

space
    Define characters to be classified as white-space characters. In the POSIX locale, at
a minimum, the characters space, form-feed, newline, carriage-return, tab and vertical-tab
are included. In a locale definition file, no character specified for the keywords upper,
lower, alpha, digit, graph or xdigit can be specified. The characters space, form-feed, newline,
carriage-return, tab and vertical-tab of the portable character set, and any characters included
in the class blank are automatically included in this class. 

...

blank
    Define characters to be classified as blank characters. In the POSIX locale, only the
space and tab characters are included. In a locale definition file, the characters space and
tab are automatically included in this class. 

...

[ref: http://opengroup.org/onlinepubs/007908775/xbd/locale.html ]


Of course, if people aren't following POSIX (which /usr/bin/tr on Solaris likely doesn't,
but /usr/xpg4/bin/tr definitely does), then it is a bit of gamble which way you go.



> sed in build.xml fails
> ----------------------
>
>                 Key: MAPREDUCE-1400
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1400
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>         Environment: ant 1.7.1, Solaris
>            Reporter: Allen Wittenauer
>            Assignee: Allen Wittenauer
>            Priority: Minor
>         Attachments: MAPRED-1400.txt
>
>
> MAPRED version of HADOOP-6505

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