[GH-ISSUE #5486] [Feature] Accept stdin for structured CLI request documents #3337

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opened 2026-10-31 00:39:19 +00:00 by bsakaguchi · 0 comments

bsakaguchi commented

2026-10-31 00:39:19 +00:00

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Originally created by @jayykernel on GitHub (Oct 20, 2026).
Original GitHub issue: https://github.com/morluto/rea/issues/5486

Problem

Some CLI workflows consume a JSON request document from a file. In pipelines, users must create a temporary file even when the request is already available from another command or generated dynamically.

Proposed change

For CLI commands whose input is a structured JSON request document, allow - to mean stdin. This should initially apply only to request/config documents, not to arbitrary binary targets or commands that require stable file identity.

Acceptance criteria

The behavior is documented per command; unsupported commands reject - with an actionable message.
Stdin is read once with the existing size limits and schema validation applied.
Errors identify invalid JSON or schema paths without printing the full supplied payload.
File-path input continues to behave exactly as before.
Tests cover empty stdin, malformed JSON, oversized input, and a valid piped request.

This is a pipeline usability enhancement, not a current input-handling bug report.

Originally created by @jayykernel on GitHub (Oct 20, 2026). Original GitHub issue: https://github.com/morluto/rea/issues/5486 ### Problem Some CLI workflows consume a JSON request document from a file. In pipelines, users must create a temporary file even when the request is already available from another command or generated dynamically. ### Proposed change For CLI commands whose input is a structured JSON request document, allow `-` to mean stdin. This should initially apply only to request/config documents, not to arbitrary binary targets or commands that require stable file identity. ### Acceptance criteria - The behavior is documented per command; unsupported commands reject `-` with an actionable message. - Stdin is read once with the existing size limits and schema validation applied. - Errors identify invalid JSON or schema paths without printing the full supplied payload. - File-path input continues to behave exactly as before. - Tests cover empty stdin, malformed JSON, oversized input, and a valid piped request. This is a pipeline usability enhancement, not a current input-handling bug report.

bsakaguchi closed this issue

2026-10-31 00:39:19 +00:00

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