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Disable pipeline echo (#8292) # Description Change behavior of block evaluation to not print result of intermediate commands. Previously result of every but last pipeline in a block was printed to stdout, and last one was returned  With this change results of intermediate pipelines are discarded after they finish and the last one is returned as before:  Now one should use `print` explicitly to print something to stdout  **Note, that this behavior is not limited to functions!** The scope of this change are all blocks. All of the below are executed as blocks and thus exibited this behavior in the same way:  With this change outputs for all types of blocks are cleaned:  # User-Facing Changes All types of blocks (function bodies, closures, `if` branches, `for` and `loop` bodies e.t.c.) no longer print result of intermediate pipelines. # Tests + Formatting Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used -A clippy::needless_collect` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass # After Submitting If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date.
2023-03-16 23:53:46 +01:00
print ([1 4] | length)
print (echo [2 3 5] | length)
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