progress_bar.sh
Progress bar for the shell
Display a progress bar for $1 seconds.
It uses partial Unicode blocks to achieve subcharacter precision.
Example:
source progress_bar.sh
progress_bar 60
│█████████████████████████████████████████████████████████▌ │ 62%
You can time a long task and use it to have an idea of how much longer to wait
time ./compile.sh # gives 300 seconds
./compile.sh &>/dev/null & progress_bar 300
│███████████████████████████████ │ 31%
It requires a terminal session with unicode locales, for instance
export LC_ALL=en_US.UTF-8
export LANG=en_US.UTF-8
export LANGUAGE=en_US.UTF-8
Details at Own Your Bits