summarise r2d counts

summarise.sh

#!/bin/bash

sum=0

[ $# -ge 1 -a -f "$1" ] && input="$1"

cat $input | grep -o '[0-9]*' | while IFS= read -r line
do
	sum=$((sum + line))
	echo $sum >> /tmp/sum.tmp
done

tail -1 /tmp/sum.tmp
rm /tmp/sum.tmp

~/code  cat garbage.txt
output from DS1988:

1258

output from DS1989:

1326

output from DS1990:

1184

output from DS1991:

1265

output from DS1992:

1479

output from DS1993:

1345

~/code  cat garbage.txt | ./summarise2.sh
7857