run scripts written in other languages about mrjob HOT 6 CLOSED

Also --combiner. (Just keeping this up to date)

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Other things involved:

• Rename python_bin to interpreter and support --no-interpreter and interpreter: null
• Passthrough options: ???
• Recompiling compiled executables for different contexts: ???

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We need to incorporate Hadoop input/output format, partitioner, and jobconf into the steps format.

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Problem:

Default runner is inline.

MRJobLauncher does not support inline.

We'll have to have different defaults, I suppose.

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Yeah, that's true. But reasonable.

I can imagine people not even realizing that inline and local modes have names, and just think; the job runs itself inline, and if I want to simulate Hadoop, I can run it from mrjob-launch (or whatever we call the binary).

from mrjob.

This pretty much works now, but the interface for invoking it is pretty hacky. Rest of the issue is in #225.

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