Andrew Barnes a64e0956cd Support binary data to stdin of run-external (#4984) ... * Add test for passing binary data through externals This change adds an ignored test to confirm that binary data is passed correctly between externals to be enabled in a later commit along with the fix. To assist in platform agnostic testing of binary data a couple of additional testbins were added to allow testing on `Value::Binary` inside `ExternalStream`. * Support binary data to stdin of run-external Prior to this change, any pipeline producing binary data (not detected as string) then feed into an external would be ignored due to run-external only supporting `Value::String` on stdin. This change adds binary stdin support for externals allowing something like this for example: 〉^cat /dev/urandom | ^head -c 1MiB | ^pv -b | ignore 1.00MiB This would previously output `0.00 B [0.00 B/s]` due to the data not being pushed to stdin at each stage.		2022-03-27 15:35:59 +13:00
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commands	Support binary data to stdin of run-external (#4984)	2022-03-27 15:35:59 +13:00
mod.rs	Remove old nushell/merge engine-q	2022-02-07 14:54:06 -05:00