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From: Aggu Sern <agguser@gmail.com>
To: zsh-workers@zsh.org
Subject: Process substitution within parameter expansion
Date: Sun, 2 Feb 2020 11:50:08 +0700
Message-ID: <CA+gg2UbTwc0=jR--GYrbONTQDX+9A12g3jHTuGJmTjWViceEmQ@mail.gmail.com> (raw)

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$ cat =(echo 'abc' | sed 's/^a/A/; s/c$/C/')

$ cat ${:-=(echo 'abc' | sed 's/^a/A/; s/c$/C/')}
zsh: no matches found: s/^a/A/

How to fix the error? Is this a bug?

My intention is to "embed" `=(...)` (e.g. `mpv --playlist=${:-=(...)}`)
without using anonymous function (e.g. `() { mpv --playlist=$1 } =(...)`).

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