`pbedit` command: Edit the clipboard in your $EDITOR

pbedit.sh

#!/bin/bash

# macOS tool to edit the contents of the clipboard in the default text editor
# If your editor supports pipelining it can simplify to:
#     pbpaste | $EDITOR | pbcopy
#     pbpaste | mate -w | pbcopy  # example

tmpfile=`mktemp`
pbpaste > $tmpfile
$EDITOR $tmpfile
pbcopy < $tmpfile
rm -f $tmpmfile