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Here-documents and forking

X-seq: zsh-workers 28432
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: zsh-workers@xxxxxxx
Subject: Here-documents and forking
Date: Mon, 22 Nov 2010 23:18:53 -0800
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This doesn't fork:

: <<EOF
EOF

This doesn't fork:

: $(</dev/null)

Yet this forks *twice*:

: $(<<EOF
EOF)

That took me by surprise.

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