Mine

#!/bin/bashNAGIOSBASE=/home/hp/src/pluryn## We look for empty hostgroups EMPTYHOSTGROUPS=`sed -n "	:t		/define.*hostgroup.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/#[[:blank:]]*members.*\n/ ! {				/members[[:blank:]]*\n/ {					s/^/#/g					s/\n/\n#/g					p				}			}		}" test  | grep "hostgroup_name" | awk '{print $3}'`EMPTYHOSTGROUPS=$(for a in ${EMPTYHOSTGROUPS}; do echo $a; done  | sort | uniq)echo EMPTYHOSTGROUPS : ${EMPTYHOSTGROUPS}## then we comment them out for HOSTGROUP in ${EMPTYHOSTGROUPS}; dosed -i "	:t		/define.*hostgroup.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/hostgroup_name[[:blank:]]*${HOSTGROUP}[[:blank:]]*\n/ {				/members[[:blank:]]*\n/ {					s/^/#/g					s/\n/\n#/g				}			}		}" test done## We then remove all occurences of these hostgroups from servicesfor HOSTGROUP in ${EMPTYHOSTGROUPS}; do	sed -i "	:t		/define.*service.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/#[[:blank:]]*service_description.*\n/ !{				/,${HOSTGROUP}/ { 					s/,${HOSTGROUP}//g 				} 				/${HOSTGROUP},/ { 					s/${HOSTGROUP},//g 				} 				/${HOSTGROUP}/ { 					s/${HOSTGROUP}//g 				} 			}		}" testdone## First we find all services with something missingEMPTYSERVICES=`sed -n "	:t		/define.*service.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/hostgroup_name[[:blank:]]*\n/ {				p			}			/host_name[[:blank:]]*\n/ {				p			}		}" test  | grep "service_description" | awk '{print $2}'`EMPTYSERVICES=$(for a in ${EMPTYSERVICES}; do echo $a; done  | sort | uniq)EMPTYSERVICES=$(echo ${EMPTYSERVICES} | sed -e 's#/#\\/#g')## Then we fix themfor SERVICE in ${EMPTYSERVICES}; dosed -i "	:t		/define.*service.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/service_description[[:blank:]]*${SERVICE}[[:blank:]]*\n/ {				# Comment out invalid services				# empty host_name and empty hostgroup_name				/host_name[[:blank:]]*\n/ {					/hostgroup_name[[:blank:]]*\n/ {						s/^/#/g						s/\n/\n#/g					}				}				# only empty host_name, no hostgroup_name				/host_name[[:blank:]]*\n/ {					/hostgroup_name.*\n/ ! {						s/^/#/g						s/\n/\n#/g					}				}				# only empty hostgroup_name, no host_name				/hostgroup_name[[:blank:]]*\n/ {					/host_name.*\n/ ! {						s/^/#/g						s/\n/\n#/g					}				}				# remove offending empty hostgroup_name				/#[[:blank:]]*hostgroup_name[[:blank:]]*\n/ !{					s/hostgroup_name[[:blank:]]*\n[[:blank:]]*//				}				# remove offending empty host_name				/#[[:blank:]]*host_name[[:blank:]]*\n/ !{					s/host_name[[:blank:]]*\n[[:blank:]]*//				}			}		}" testdone## Make a list of all service groupsSERVICEGROUPS=`sed -n "	:t		/define.*servicegroup.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/#[[:blank:]]*servicegroup_name.*\n/ ! {				p			}		}" test  | grep "servicegroup_name" | awk '{print $2}'`SERVICEGROUPS=$(for a in ${SERVICEGROUPS}; do echo $a; done  | sort | uniq)echo SERVICEGROUPS : ${SERVICEGROUPS}## Now we look for empty service groupsfor SERVICEGROUP in ${SERVICEGROUPS}; doOUTPUT="$(sed -n "	:t		/define.*service.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/#[[:blank:]]*service_description.*\n/ ! {				/servicegroups[[:blank:]]*${SERVICEGROUP}[[:blank:]]*\n/{					p				}			}		}" test )" if [ -z "${OUTPUT}" ]; then	EMPTYSERVICEGROUPS="${EMPTYSERVICEGROUPS} ${SERVICEGROUP}"fidoneecho EMPTYSERVICEGROUPS : ${EMPTYSERVICEGROUPS}## And finally, we comment them outfor SERVICEGROUP in ${EMPTYSERVICEGROUPS}; dosed -i "	:t		/define.*servicegroup.*{/,/}/ {    			/}/!{    				$!{       					N;    					bt				}       			}       			/servicegroup_name[[:blank:]]*${SERVICEGROUP}[[:blank:]]*\n/ {				s/^/#/g				s/\n/\n#/g			}		}" testdone