Say I want to send the output of to commands into another.

cat a.txt && ls

I can do this:

fish -c "cat a.txt && ls" | another_command

But it seems clunky, is there a way to do this without running a new instance?

  • You can redirect the output with arrow symbol (greater than and less than symbols). – Biswapriyo Feb 13 '19 at 6:34
  • @Biswapriyo, right - but how to do this for two commands to pipe into another_command? – ideasman42 Feb 13 '19 at 8:02

use a begin...end block

begin; cat a.txt; ls; end | another_command

or with whitespace

    cat a.txt
end | another_command

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