Streaming: better support for command lines or streaming command
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Key: HADOOP-2321
URL: https://issues.apache.org/jira/browse/HADOOP-2321
Project: Hadoop
Issue Type: Improvement
Components: contrib/streaming
Reporter: arkady borkovsky
Quite often, the command line for streaming mapper or reducer needs to use one
or two levels of quotes.
This make it inconvenient or impossible to pass the commands in the streaming
command line.
It would be good to have streaming take its specification from a file --
especially as longer streaming commands are not typed in, but are either run
from files (shell scripts) or generated by other processors.
The current work around is to separate files for the mapper command, for the
reducer command, and for the streaming command itself. This works, but is
inconvenient and quite error-prone.
Having just one file with all three would be good.
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