broken under busybox

[nwgat]

cannot run it on my asuswrt router under busybox, it complains about missing bash,

test.sh: line 29: tput: not found
test.sh: line 29: tput: not found
test.sh: line 30: tput: not found
test.sh: line 30: tput: not found
test.sh: line 31: tput: not found
test.sh: line 31: tput: not found
test.sh: line 32: tput: not found
test.sh: line 32: tput: not found
test.sh: line 33: tput: not found
test.sh: line 33: tput: not found
test.sh: line 34: tput: not found
test.sh: line 34: tput: not found
test.sh: line 35: tput: not found
test.sh: line 35: tput: not found
[[: missing ]]

[ZacharyDuBois]

I will get to work on this for the next version.