Lightning Network chan_id format converter

chan_id.sh

#!/bin/bash

# Usage: pass any number of chan_id values with 'x' character in them to be converted
#        e.g. $ ./chan_id.sh 674831x113x1

convert() {
	export VAL=$1
	if [[ ! -z $VAL ]]; then
		CONV=$(python3 -c "import os; arr = os.environ.get('VAL', '').rstrip().split('x'); print( (int(arr[0]) << 40) + (int(arr[1]) << 16) + int(arr[2]) )")
	fi

	echo "$VAL -> $CONV"
}

for i in "$@"; do 
	convert $i
done