help: Set to redistribute kernel routes
delete:expression: "touch /tmp/rip-redist-kernel.$PPID" 
end:expression: "vyatta-vtysh -c \"configure terminal\" -c \"router rip\" \
        -c \"no redistribute kernel \"; \
      if [ -f \"/tmp/rip-redist-kernel.$PPID\" ]; then \
        rm -rf /tmp/rip-redist-kernel.$PPID; \
      else \
        if [ -n \"$VAR(./metric/@)\" ]; then \
          COND=\"metric $VAR(./metric/@)\";
        fi; \
        if [ -n \"$VAR(./route-map/@)\" ]; then \
          COND=\"$COND route-map $VAR(./route-map/@)\"; \
        fi; \
        vyatta-vtysh -c \"configure terminal\" -c \"router rip\" \
          -c \"redistribute kernel $COND\"; \
      fi; "