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Posted to common-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2012/08/13 22:24:38 UTC

[jira] [Created] (HADOOP-8691) FsShell can print "Found xxx items" unnecessarily often

Jason Lowe created HADOOP-8691:
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             Summary: FsShell can print "Found xxx items" unnecessarily often
                 Key: HADOOP-8691
                 URL: https://issues.apache.org/jira/browse/HADOOP-8691
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
    Affects Versions: 2.0.0-alpha, 0.23.3
            Reporter: Jason Lowe
            Priority: Minor


The "Found xxx items" header that is printed with a file listing will often appear multiple times in not-so-helpful ways in light of globbing.  For example:

{noformat}
$ hadoop fs -ls 'teradata/*'  
Found 1 items
-rw-r--r--   1 someuser somegroup          0 2012-08-06 16:55 teradata/_SUCCESS
Found 1 items
-rw-r--r--   1 someuser somegroup       5000 2012-08-06 16:55 teradata/part-m-00000
Found 1 items
-rw-r--r--   1 someuser somegroup       5000 2012-08-06 16:55 teradata/part-m-00001
{noformat}

Seems like it should just print "Found 3 items" once at the top, or maybe not even print a header at all.

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[jira] [Commented] (HADOOP-8691) FsShell can print "Found xxx items" unnecessarily often

Posted by "Daryn Sharp (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-8691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13434120#comment-13434120 ] 

Daryn Sharp commented on HADOOP-8691:
-------------------------------------

Just for clarification, it's not really related to globbing but to the general case of multiple args.  Bash prints a header (albeit in a different format) for each arg if it's a directory.  So the simple fix is to only print the header if the arg is a directory.
                
> FsShell can print "Found xxx items" unnecessarily often
> -------------------------------------------------------
>
>                 Key: HADOOP-8691
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8691
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.23.3, 2.0.0-alpha
>            Reporter: Jason Lowe
>            Priority: Minor
>
> The "Found xxx items" header that is printed with a file listing will often appear multiple times in not-so-helpful ways in light of globbing.  For example:
> {noformat}
> $ hadoop fs -ls 'teradata/*'  
> Found 1 items
> -rw-r--r--   1 someuser somegroup          0 2012-08-06 16:55 teradata/_SUCCESS
> Found 1 items
> -rw-r--r--   1 someuser somegroup       5000 2012-08-06 16:55 teradata/part-m-00000
> Found 1 items
> -rw-r--r--   1 someuser somegroup       5000 2012-08-06 16:55 teradata/part-m-00001
> {noformat}
> Seems like it should just print "Found 3 items" once at the top, or maybe not even print a header at all.

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