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Re: feature request: self join from stdin
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From: |
Andreas Schwab |
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Subject: |
Re: feature request: self join from stdin |
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Date: |
Sun, 20 Oct 2019 15:21:56 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
On Okt 20 2019, Nomen Nescio <address@hidden> wrote:
> Do you think the following coproc solves the problem?
> A join or paste prints expected results.
> Curiously cat or tac will block the process.
> Can you explain why join/paste finish the process whereas cat/tac block it?
Because join and paste simultanously read both files, whereas cat and
tac read one file after the other. Then tee blocks on stdout because
nobody drains the pipe buffer.
Andreas.
--
Andreas Schwab, address@hidden
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