#!/bin/sh

# more osascript than bash, but it does have /bin/sh up there...

# also, fuck osascript. undocumented garbage.

# this script is very responsive now, though, so that's a thing...

trap "stty echo; tput cnorm; exit" EXIT

stty -echo; tput civis

osascript -e '

set key_up to do shell script "printf \\\\e[A"

set key_dn to do shell script "printf \\\\e[B"

set sqr to do shell script "printf \\\\xE2\\\\x96\\\\xA0"

set endl to do shell script "tput el; tput cuu1"

set vol to output volume of (get volume settings)

repeat

set pips to vol * 16 / 100

set bar to "volume: ["

repeat pips times

set bar to bar & sqr

end repeat

repeat 16 - pips times

set bar to bar & " "

end repeat

set bar to bar & "] "

log bar & vol & endl

set input to do shell script "

read -n3 key < /dev/fd/10

printf $key

"

quoted form of input -- force coersion to string

if (key_up is equal to input) then

set vol to vol + 1

else if (key_dn is equal to input) then

set vol to vol - 1

end if

if (vol > 100) then

set vol to 100

end if

if (vol < 0) then

set vol to 0

end if

set volume output volume vol

end repeat

' 10<&0