bar-osd.sh

#!/bin/sh

c=$1
max=$2
title=""

set -eu

[ "$c" = "" ] && exit 1
[ "$max" = "" ] && max=100 || { shift 2; title="$@ "; }
[ $c -lt 1 ] && c=1
[ $c -gt $max ] && c=$max

bar() {
   echo -n "$title"
   for i in $(seq 1 $c)
   do
      echo -n "|"
   done
   for i in $(seq $(expr $c + 1) $max)
   do
      echo -n "-"
   done
   echo " ($(printf '%3d' $c)%)"
}

bar | aosd_cat \
   --fade-in=0 \
   --fade-full=200 \
   --fade-out=0 \
   --back-opacity=255 \
   --back-color=grey40 \
   --fore-color='#00ff00' \
   --position=4 \
   --font="Consolas 24" &