package/freifunk-common: neigh.sh: fix for missing .. as well as aligned headers

contrib/package/freifunk-common/files/usr/bin/neigh.sh

@@ -2,21 +2,40 @@
 
 . /usr/share/libubox/jshn.sh
 
+VARS="localIP:Local remoteIP:Remote validityTime:vTime linkQuality:LQ neighborLinkQuality:NLQ linkCost:Cost"
+
 for HOST in 127.0.0.1 ::1;do
 	json_init
 	json_load "$(echo /links|nc ${HOST} 9090)"
 	if json_is_a links array;then
-		echo "LocalIP		RemoteIP	vTime	LQ		NLQ		Cost"
 		json_select links
-		i=1
-		while json_is_a ${i} object;do
-			json_select ${i}
-			json_get_vars localIP remoteIP validityTime linkQuality neighborLinkQuality linkCost
-			echo "${localIP}	${remoteIP}	${validityTime}	${linkQuality}	${neighborLinkQuality}	${linkCost}"
-			json_select 
-			i=$(( i + 1 ))
+		for v in ${VARS};do
+			eval _${v%:*}=0
+		done
+		for j in 0 1;do
+			case ${j} in 1)
+				for v in ${VARS};do
+					eval printf \"%-\${_${v%:*}}s \" ${v#*:}
+				done
+				echo
+			;;esac
+			i=1;while json_is_a ${i} object;do
+				json_select ${i}
+				json_get_vars $(for v in ${VARS};do echo ${v%:*};done)
+				case ${j} in 0)
+					for v in ${VARS};do
+						eval "test \${_${v%:*}} -lt \${#${v%:*}} && _${v%:*}=\${#${v%:*}}"
+					done
+				;;*)
+					for v in ${VARS};do
+						eval printf \"%-\${_${v%:*}}s \" \$${v%:*}
+					done
+					echo
+				;;esac
+				json_select ..
+				i=$(( i + 1 ))
+			done
 		done
 	fi
 	echo
 done
-