vnstati-gen.ksh

#!/bin/ksh

if [ "x$1" == x ]; then
        echo "Usage: $0 ifaces dir" >&2
        echo "ifaces -- comma-separated network interfaces" >&2
        echo "dir -- path to put output files in" >&2
        exit 1
fi      

IFS=',' set -A ifaces $1
for iface in "${ifaces[@]}"; do
        echo "$iface..."
        vnstati -m -o "$2/$iface-months.png"
        vnstati -d -o "$2/$iface-days.png"
        vnstati -vs -o "$2/$iface-summary.png"
done