i3blocks-disk

#!/usr/bin/env bash

usage="usage: $(basename "$0") MOUNTPOINT -- i3blocks command to show space usage of the given mountpoint."

[ -z "$1" ] && echo $usage >&2 && exit 1;

MOUNTPOINT=$1;

pct=$(df | awk -v MP="$MOUNTPOINT" '{if ($6==MP) {sub(/%/,""); print $5}}');
free=$(df -h | awk -v MP="$MOUNTPOINT" '{if ($6==MP) {print $4}}');

echo " $MOUNTPOINT $pct% ($free)";

[[ $pct -lt 10 ]] && exit 33 || exit 0