see instead the working one here: https://gist.github.com/petersjt014/57debf01da5064f6120616ac983139d0

IPFS avail script (nonfunctioning)

#!/bin/sh

# this script is mostly just a pile of debug echos and such right now, as recursion within bash still mystifies me

# For testing, the following dag is very lightweight and shouldn't crash anything:
# QmRCJXG7HSmprrYwDrK1GctXHgbV7EYpVcJPQPwevoQuqF
# a diagram of the dag can be found here (or on your local gateway, of course):
# http://ipfs.io/ipfs/Qma8EX27uA27ASxseUuvnLPp8nUHtSDqJJZwCnU4D3uZHn

echo; echo "starting..."
recur(){
echo "recursing"
echo "var1: $1"; echo;
local refs=$(ipfs refs $1); echo "refs: $refs"
local nrefs=$(echo $refs | wc -w); echo "nrefs: $nrefs"
if [ $nrefs -eq 0 ]
then
	echo; echo "leaf node"
	echo -n $(ipfs dht findprovs -n 10 $1 | wc -l)
else
	echo; echo "non-leaf"
	echo "REFS:"; echo $refs; echo "END REFS"
	echo "WC:" 
	wc $refs
	echo "END WC"

	# the agonizing part:
	echo $refs | xargs -P 8 -d '\n' -n 1 -L 1 -t -I {} bash -c "wc {}" # recur() will go here, wc currently is for tinkering/testing purposes
	
fi

}

export -f recur
recur $1
	
# this is a version that works(?) for top-level nodes only

#refs=$(ipfs refs $1)
#num=$(echo $refs | wc -w)
#echo "top-level nodes: $num"

#peers=$(echo $refs | xargs -n1 ipfs dht findprovs -n 10)

#total=$(echo $peers | wc -w)
#echo "total peers for refs: $total"

#avail=$(($total/$num/10))