virtual-dsm/src/progress.sh
2024-05-04 16:34:30 +02:00

39 lines
771 B
Bash

#!/usr/bin/env bash
set -Eeuo pipefail
escape () {
local s
s=${1//&/\&}
s=${s//</\&lt;}
s=${s//>/\&gt;}
s=${s//'"'/\&quot;}
printf -- %s "$s"
return 0
}
file="$1"
total="$2"
body=$(escape "$3")
info="/run/shm/msg.html"
if [[ "$body" == *"..." ]]; then
body="<p class=\"loading\">${body/.../}</p>"
fi
while true
do
if [ -s "$file" ]; then
bytes=$(du -sb "$file" | cut -f1)
if (( bytes > 1000 )); then
if [ -z "$total" ] || [[ "$total" == "0" ]]; then
size=$(numfmt --to=iec --suffix=B "$bytes" | sed -r 's/([A-Z])/ \1/')
else
size=$(printf '%.1f\n' "$((bytes*100*100/total))e-2")
size="$size%"
fi
echo "${body//(\[P\])/($size)}"> "$info"
fi
fi
sleep 1 & wait $!
done