Eu tenho o seguinte radiolist de diálogo, que funciona bem.
#!/bin/bash
ch1a="1"
ch1b="Fri, 20/3/15"
ch2a="2"
ch2b="Sun, 21/6/15"
ch1="\"$ch1a\" \"$ch1b\""
dialog --title "Equinoxes and Solistices" \
--radiolist "When is the Winter Solicti...
21.04.2015 / 13:00