dns/root/preprocessor.sh

#!/bin/bash

DIR="${0%/*}"

compile_template()
{
	tr '\n' '|' | sed -e 's/\\/\\\\/g' -e 's/|*$//' -e 's/|/\\n/g' -e 's/$/\\n\n/' -e 's/&/\\&/g' -e 's/,/\\,/g'
}

for x in $DIR/*.in; do
	name="$( echo "$x" | sed -e 's,.*/,,' -e 's,\.in$,,' | tr 'a-z' 'A-Z' )"
	value="$( cat $x | compile_template )"
	echo "s,@@$name@@,$value,g;"
done

sed -e '/^#/d;' -e 's,[ \t]*#.*,,' -e '/^[ \t]*$/d;' -e 's/=/ /' "$DIR/servers.txt" |
	while read name value; do
	echo "s,@@$name@@,$value,g;"
done