added rule to get last 100 decks from mtgtop8

Makefile

@@ -257,6 +257,11 @@ decks/ml_%.dec: scripts/apprentice2dec.awk
 decks/mtgtop8_%.dec:
 	wget "http://www.mtgtop8.com/export_files/deck$*.mwDeck" -O $@
 
+decks/update:
+	$(eval LAST := $(shell curl http://mtgtop8.com/search | grep "d=[0-9]\+" -o | sort | tail -1 | sed 's/d=//'))
+	seq `expr ${LAST} - 100` ${LAST} | parallel make decks/mtgtop8_{}.dec
+	find decks -size 0 -delete
+
 ref/rules.txt:
 	curl `wget http://www.wizards.com/magic/rules -O - | grep txt | cut -d'"' -f4` | fmt -s > $@
 	flip -bu $@