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consider IR for commands #714

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andychu opened this issue Apr 17, 2020 · 1 comment

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affects-architecture low-priority performance

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andychu commented Apr 17, 2020 •

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analogous to #604 -- words and ${}

ls ; doesn't need to be a command.Sentence. That is only for translation/ linters / formatters.
! ls should not be a "pipeline" -- that's an artifact of the grammar

IR for redirects:

ls |& wc -l could be rewritten to primitive redirects
- I think it's ls 2>&1 | wc -l
myprog &> foo.txt
- I think it's myprog >foo.txt 2>&1
Oil style redirects with parse_amp: Implement shopt -s parse_amp #832

Already mutated:

do_fork for the process optimization

Special case with __cat: $(< file)

This is mainly for simplifying the code, although it should also speed things up a little.

The text was updated successfully, but these errors were encountered:

andychu added affects-architecture performance labels

andychu mentioned this issue

Cache some evaluations on the AST #692

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andychu commented May 15, 2021

Very similar to #761 , might be a dupe

andychu mentioned this issue

Idea for enhanced case statement #983

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andychu added the low-priority label

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