File: spelldiff

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postfix 3.10.6-4
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#!/bin/sh

# Usage: spelldiff baseline files...

case $# in
0|1) echo Usage: $0 baseline files... 1>&2; exit 1;;
esac

baseline="$1"; shift

for f
do
    if [ -f "${baseline}/${f}" ]
    then
	diff -U0 "${baseline}/${f}" "${f}" | sed -n '
	    /^+/{
		s/.//
		p
	    }'
    else
	cat "${f}"
    fi
done