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Date: Fri, 07 Nov 2014 15:20:50 +0530
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To: user@hadoop.apache.org
Subject: Re: Is there a way to view the files in HDFS directly?
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 <CALUpvHVRObm3-U=-x7GRWK6yXKvz+Ei2nA_Os_ZAf-V3Mphw9g@mail.gmail.com>
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Hello,

In normal you can view the file by issuing the command

#hadoop dfs -cat <path-to-file>

Default file store location in /user/<name>/<file-name>

Regards,
ViSolve

On 11/07/2014 05:43 AM, David Novogrodsky wrote:
> Hello,
>
> Is there a way to view files in the Hadoop HDFS?  I have a directory 
> of files like this:
> [cloudera@quickstart ~]$ hdfs dfs -ls  /user/hive/warehouse/categories
> Found 2 items
> -rw-r--r--   1 cloudera hive    0 2014-11-05 13:18 
> /user/hive/warehouse/categories/_SUCCESS
> -rw-r--r--   1 cloudera hive 1344 2014-11-05 13:18 
> /user/hive/warehouse/categories/part-m-00000.avro
> [cloudera@quickstart ~]$
> [cloudera@quickstart ~]$
> I imported a table using Sqoop.
>
> I tried the following commands but they are not working:
> --
> Found 2 items
> -rw-r--r--   1 cloudera hive    0 2014-11-05 13:18 
> /user/hive/warehouse/categories/_SUCCESS
> -rw-r--r--   1 cloudera hive 1344 2014-11-05 13:18 
> /user/hive/warehouse/categories/part-m-00000.avro
> [cloudera@quickstart ~]$
> [cloudera@quickstart ~]$
> [cloudera@quickstart ~]$ hdfs dfs -text 
> /user/hive/warehouse/categories/_SUCCESS
> [cloudera@quickstart ~]$
> [cloudera@quickstart ~]$ hdfs dfs -text 
> /user/hive/warehouse/categories/_SUCCESS
> [cloudera@quickstart ~]$
> [cloudera@quickstart ~]$ hdfs dfs -text 
> /user/hive/warehouse/categories/part-m-00000.avro
> -text: URI scheme is not "file"
> Usage: hadoop fs [generic options] -text [-ignoreCrc] <src> ...
> [cloudera@quickstart ~]$ hadoop fs -text 
> /user/hive/warehouse/categories/part-m-00000.avro
> -text: URI scheme is not "file"
> Usage: hadoop fs [generic options] -text [-ignoreCrc] <src> ...
> [cloudera@quickstart ~]$
>
> David Novogrodsky
> david.novogrodsky@gmail.com <mailto:david.novogrodsky@gmail.com>
> http://www.linkedin.com/in/davidnovogrodsky


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    Hello,<br>
    <br>
    In normal you can view the file by issuing the command<br>
    <br>
    #<span class="codefrag">hadoop dfs -cat &lt;path-to-file&gt;</span><br>
    <br>
    Default file store location in /user/&lt;name&gt;/&lt;file-name&gt;<br>
    <br>
    Regards,<br>
    ViSolve<br>
    <br>
    <div class="moz-cite-prefix">On 11/07/2014 05:43 AM, David
      Novogrodsky wrote:<br>
    </div>
    <blockquote
cite="mid:CALUpvHVRObm3-U=-x7GRWK6yXKvz+Ei2nA_Os_ZAf-V3Mphw9g@mail.gmail.com"
      type="cite">
      <div dir="ltr">
        <div class="gmail_default" style="font-size:large">Hello,</div>
        <div class="gmail_default" style="font-size:large"><br>
        </div>
        <div class="gmail_default" style="font-size:large">Is there a
          way to view files in the Hadoop HDFS?  I have a directory of
          files like this:</div>
        <div class="gmail_default" style="font-size:large">
          <div class="gmail_default">[cloudera@quickstart ~]$ hdfs dfs
            -ls  /user/hive/warehouse/categories</div>
          <div class="gmail_default"> </div>
          <div class="gmail_default">Found 2 items</div>
          <div class="gmail_default">-rw-r--r--   1 cloudera hive      
               0 2014-11-05 13:18
            /user/hive/warehouse/categories/_SUCCESS</div>
          <div class="gmail_default">-rw-r--r--   1 cloudera hive      
            1344 2014-11-05 13:18
            /user/hive/warehouse/categories/part-m-00000.avro</div>
          <div class="gmail_default">[cloudera@quickstart ~]$ </div>
          <div class="gmail_default">[cloudera@quickstart ~]$ </div>
        </div>
        <div class="gmail_default" style="font-size:large">I imported a
          table using Sqoop.</div>
        <div class="gmail_default" style="font-size:large"><br>
        </div>
        <div class="gmail_default" style="font-size:large">I tried the
          following commands but they are not working:</div>
        <div class="gmail_default" style="font-size:large">--</div>
        <div class="gmail_default" style="font-size:large">
          <div class="gmail_default">Found 2 items</div>
          <div class="gmail_default">-rw-r--r--   1 cloudera hive      
               0 2014-11-05 13:18
            /user/hive/warehouse/categories/_SUCCESS</div>
          <div class="gmail_default">-rw-r--r--   1 cloudera hive      
            1344 2014-11-05 13:18
            /user/hive/warehouse/categories/part-m-00000.avro</div>
          <div class="gmail_default">[cloudera@quickstart ~]$ </div>
          <div class="gmail_default">[cloudera@quickstart ~]$ </div>
          <div class="gmail_default">[cloudera@quickstart ~]$ hdfs dfs
            -text /user/hive/warehouse/categories/_SUCCESS</div>
          <div class="gmail_default">[cloudera@quickstart ~]$ </div>
          <div class="gmail_default">[cloudera@quickstart ~]$ hdfs dfs
            -text /user/hive/warehouse/categories/_SUCCESS</div>
          <div class="gmail_default">[cloudera@quickstart ~]$ </div>
          <div class="gmail_default">[cloudera@quickstart ~]$ hdfs dfs
            -text /user/hive/warehouse/categories/part-m-00000.avro</div>
          <div class="gmail_default">-text: URI scheme is not "file"</div>
          <div class="gmail_default">Usage: hadoop fs [generic options]
            -text [-ignoreCrc] &lt;src&gt; ...</div>
          <div class="gmail_default">[cloudera@quickstart ~]$ hadoop fs
            -text /user/hive/warehouse/categories/part-m-00000.avro</div>
          <div class="gmail_default">-text: URI scheme is not "file"</div>
          <div class="gmail_default">Usage: hadoop fs [generic options]
            -text [-ignoreCrc] &lt;src&gt; ...</div>
          <div class="gmail_default">[cloudera@quickstart ~]$</div>
          <div class="gmail_default"><br>
          </div>
        </div>
        <div>
          <div class="gmail_signature">David Novogrodsky<br>
            <a moz-do-not-send="true"
              href="mailto:david.novogrodsky@gmail.com">david.novogrodsky@gmail.com</a><br>
            <a moz-do-not-send="true"
              href="http://www.linkedin.com/in/davidnovogrodsky">http://www.linkedin.com/in/davidnovogrodsky</a></div>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
</html>

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