- exec 3>rules/$newfoundry,$key.rules
- echo >&3 '# -*- perl -*-'
- echo >&3 '# autogenerated by mkrules'
- echo >&3 'sub {'
+ case "$seenrules" in
+ */"$newfoundry,$key"/*)
+ exec 3>>rules/$newfoundry,$key.rules
+ ;;
+ *)
+ exec 3>rules/$newfoundry,$key.rules
+ echo >&3 '# -*- perl -*-'
+ echo >&3 '# autogenerated by mkrules'
+ echo >&3 'sub {'
+ seenrules=$seenrules$newfoundry,$key/
+ ;;
+ esac
+ echo >&3 " # $pcf"