gawk -f reg\exp-eq.awk <reg\exp-eq.in
cat reg\exp-eq.goo
echo ===
gawk -f reg\exp.awk 
cat reg\exp.goo
echo ===
gawk -f reg\func.awk 
cat reg\func.goo
echo ===
gawk -f reg\func2.awk 
cat reg\func2.goo
echo ===
gawk -f reg\log.awk 
cat reg\log.goo
echo ===