| #!/usr/bin/env bash |
| set -Eeuo pipefail |
|
|
| escape () { |
| local s |
| s=${1//&/\&} |
| s=${s//</\<} |
| s=${s//>/\>} |
| s=${s//'"'/\"} |
| 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="$(echo "$bytes" "$total" | awk '{printf "%.1f", $1 * 100 / $2}')" |
| size="$size%" |
| fi |
| echo "${body//(\[P\])/($size)}"> "$info" |
| fi |
| fi |
| sleep 1 & wait $! |
| done |
|
|
