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Posted to common-dev@hadoop.apache.org by "arkady borkovsky (JIRA)" <ji...@apache.org> on 2007/11/20 23:07:43 UTC

[jira] Created: (HADOOP-2235) Streaming command should be able to take its input from a "file", rather then from stdin

Streaming command should be able to take its input from a "file", rather then from stdin
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                 Key: HADOOP-2235
                 URL: https://issues.apache.org/jira/browse/HADOOP-2235
             Project: Hadoop
          Issue Type: Improvement
          Components: contrib/streaming
            Reporter: arkady borkovsky


In some cases, especially when a streaming command is a 3rd party or legacy application, 
it is impossible of inconvenient to make it take its input from stdin.
The command may require that the input file name is specified as a command line option, or the input file name is hard coded.

The streaming infrastructure should allow to specify a name that can be used in open() to create an input stream equivalent to what would be fed to a streaming command as stdin by default.

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