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https://issues.apache.org/jira/browse/HADOOP-7038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12932706#action_12932706
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Wang Xu commented on HADOOP-7038:
---------------------------------
here is the different between Windows bin native output and Cygwin bin output:
{quote}
bash-3.2$ which whoami
*/cygdrive/c/Windows/system32/whoami*
bash-3.2$ whoami|od -x
0000000 6570 6361 5c65 6e67 7761 7875 {color:red}0a0d{color}
0000016
bash-3.2$ which date
*/usr/bin/date*
bash-3.2$ date|od -x
0000000 7554 2065 6f4e 2076 3631 3120 3a34 3135
0000020 303a 2032 2020 2020 3032 3031 {color:red}000a{color}
0000035
{quote}
An unwanted '0x0d'
> saveVersion script includes an additional \r while running whoami under
> windows
> -------------------------------------------------------------------------------
>
> Key: HADOOP-7038
> URL: https://issues.apache.org/jira/browse/HADOOP-7038
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Environment: Windows 7 / Eclipse
> Reporter: Wang Xu
> Assignee: Wang Xu
> Priority: Minor
> Attachments: HADOOP-7038.diff
>
>
> I built common under windows occasionally, and found it failed because the
> 'user' in build/src/o/a/h/package-info.java is "myhostmyname^M".
> It seems because the whoami of windows give a string with '\n\r' rather than
> '\n' only. thus I add an additional tr for it to eliminate the problem.
> Since only windows would generate '\n\r' output, I think it won't harm to any
> other platform.
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