Improved CLI: stdout streaming support

[teh-cmc]

You can now do this:

cat docs/snippets/all/archetypes/*_rust.rrd | rerun rrd compact --max-rows 99999999 --max-bytes 999999999 | rerun rrd print

Also made sure that encoders and decoders accurately report the size of the data they plow through.

• Part of Improvements to the RRD CLI tool #7048
• DNM: requires Streaming errors for encoders #7093

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[jleibs]

The -o is gone everywhere

Disagree with this aspect. Being able to output to stdout is great, but I don't think it should be required.

Being explicit with -o is frequently more clear, esp in contexts where you aren't really sure about how your shell is going to handle pipes (thinking pixi, github runners, etc.)

[teh-cmc]

The -o is gone everywhere

Disagree with this aspect. Being able to output to stdout is great, but I don't think it should be required.

Being explicit with -o is frequently more clear, esp in contexts where you aren't really sure about how your shell is going to handle pipes (thinking pixi, github runners, etc.)

I agree with your disagreement 😄 I only removed that feature because it lead to very weird interaction with another feature that I didn't publish in the end.

I'll add those back.