amended check for existing nodes

burrow

@@ -43,7 +43,7 @@ retrieve_selector(){
 	SEL=$(echo "$1" | cut -d "|" -f 2)
 	HOST=$(echo "$1" | cut -d "|" -f 3)
 	PORT=$(echo "$1" | cut -d "|" -f 4)
-	printf "${SEL}\r\n" | netcat -w 15 "${HOST}" "${PORT}"
+	printf "${SEL}\r\n" | netcat -w 5 "${HOST}" "${PORT}"
 
 }
 
@@ -56,7 +56,16 @@ retrieve_selector(){
 check_selector_present(){
 	sel_id="$1"
 	sel_dir="$(echo ${sel_id} | cut -c -2)"
-	[ -d "${sel_dir}" -a -f "${sel_dir}/${sel_id}" ] && cat ${sel_dir}/${sel_id} && echo ${sel_id}>>present && exit 1
+	[ -d "${sel_dir}" -a -f "${sel_dir}/${sel_id}" ] && exit
+##	{
+	## if at least one of the neighbours of sel_id is missing, cat the entire list of
+        ## neighbours to be re-visited and exit
+##		for i in $(cat ${sel_dir}/${sel_id}); do 
+##			i_dir="$(echo ${i} | cut -c -2)"
+##			[ ! -f ${i_dir}/${i} ] && cat "${sel_dir}/${sel_id}" && break
+##		done
+##		exit
+##	}
 	[ ! -d "${sel_dir}" ] && mkdir -p "${sel_dir}"
 }