Use env var P to download less

bin/download-all

@@ -1,9 +1,10 @@
 #!/bin/bash
 
+P=${P:-0}
 sections=(featured-stories world us society insight jewish-problem race-war)
 #sections=(society insight jewish-problem race-war)
 #sections=(insight jewish-problem race-war)
 for s in ${sections[@]} ; do
   touch log/$s.seen
-  bin/scan -t section $s
+  bin/scan -p $P -t section $s
 done