# escaped lines
/^[ \t]*%/ {
	i = index($0, "%");
	print substr($0, i+1, length($0)-i);
	next;
}

# inline code
/%\(.*%\)/ {
	gsub(/'/, "\\'", $0);
	gsub(/%\(.*%\)/, "';echo -n &;echo '", $0);	
	gsub(/%\(/, "", $0);
	gsub(/%\)/, "", $0);
	printf("echo -n '%s'\n", $0);
	next;
}

{
	gsub(/'/, "\\'", $0);
	printf("echo '%s'\n", $0);
}