fontconfig/config/config-subst

#!/bin/sh
script=config-subst.$$
trap "rm $script" 0
rm -f $script
for i in ${1+"$@"}; do
	var="`echo "$i" | sed 's/=.*$//'`"
	val="`echo "$i" | sed 's/^[^=]*=//'`"
	echo "s;@$var@;$val;" >> $script
done
sed -f $script