scripts: Add fetch_trainlines.sh

scripts/geojson/maps/fetch_trainlines.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+json=`curl 'https://wiki.linux-forks.de/mediawiki/api.php?action=query&prop=revisions&rvprop=content&format=json&titles=Maps:Trainlines'`
+data=`echo "$json" | json_reformat | sed -e 's/\\\\n//g' -n -e 's/begin:mapdata\([^}]\+\)/\1/gp' | sed -e "s/|-|/}/g"`
+
+section=""
+echo "["
+export IFS="}"
+for entry in $data; do
+	this_section=`echo $entry | sed -n 's/.*== \([^=]\+\) ==.*/\1/p'`
+	if [[ "$this_section" != "" ]]; then
+		section=$this_section
+	fi
+
+	if [[ "$section" != "$1" ]]; then
+		continue
+	fi
+
+	case "$section" in
+	"Train Lines")
+		name=`echo "$entry" | sed -n 's/\s*\([^|]\+\).*/\1/p' | sed 's/ $//'`
+		start=`echo "$entry" | sed -n 's/\s*\([^|]\+\)||\s*\([^|]\+\).*/\2/p' | sed 's/ $//'`
+		end=`echo "$entry" | sed -n 's/\s*\([^|]\+\)||\([^|]\+\)||\s*\([^|]\+\).*/\3/p' | sed 's/ $//'`
+		coord=`echo "$entry" | sed -n 's/.*||\s*\([^|]\+\).*/\1/p'`
+		if [[ "$name" != "" && "$coord" != "" ]]; then
+			echo "{ \"type\": \"Feature\",
+	\"geometry\": {
+		\"type\": \"LineString\",
+		\"coordinates\": [
+			$coord
+		]
+	},
+	\"properties\": {
+		\"name\": \"$name\",
+		\"start\": \"$start\",
+		\"end\": \"$end\"
+	}
+},"
+		fi
+		;;
+	"Access Paths")
+		name=`echo "$entry" | sed -n 's/\s*\([^|]\+\).*/\1/p' | sed 's/ $//'`
+		lines=`echo "$entry" | sed -n 's/\s*\([^|]\+\)||\s*\([^|]\+\).*/\2/p' | sed 's/ $//'`
+		coord=`echo "$entry" | sed -n 's/.*||\s*\([^|]\+\).*/\1/p'`
+		if [[ "$type" == "district" ]]; then
+			continue;
+		fi
+		if [[ "$name" != "" && "$coord" != "" ]]; then
+			echo "{ \"type\": \"Feature\",
+	\"geometry\": {
+		\"type\": \"LineString\",
+		\"coordinates\": [
+			$coord
+		]
+	},
+	\"properties\": {
+		\"name\": \"$lines:$name\"
+	}
+},"
+		fi
+		;;
+	esac
+done
+export IFS=" "
+echo "{}"
+echo "]"