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#! /usr/bin/env dash
# shellcheck source=/dev/null
SHELL_LIBRARY_VERSION="1.1.3" . %SHELL_LIBRARY_PATH
# Main loop
while true; do
# vars
used_space=$(btrfs filesystem usage /srv 2> /dev/null | awk '{if ( /Used:/ ) { print $2 } } ' | head -n1)
all_space=$(btrfs filesystem usage /srv 2> /dev/null | awk '{if ( /Device size:/ ) { print $3 } } ' | head -n1 | tr -d "GiB")
# Check space available (4) and percentage used (5)
spaceperc=$(echo "$(echo "$used_space" | tr -d "GiB" )" "$all_space" | awk '{div=$1/$2;div *= 100; printf"%2d%%\n",div }')
echo "diskspace|string|$used_space"
echo "diskperc|string|$spaceperc"
echo ""
sleep 1
done
# vim: ft=sh
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