On 2/27/21 4:39 PM, Skylar Thompson wrote: > You can fix it if you group the assignments together: > [ -z "$INSMOD" ] && (INSMOD=$(which modprobe) || INSMOD="$(which insmod)") They do need to be grouped, but if you group them with parentheses, they execute in a subshell, and the assignment is lost. They should be grouped with braces instead.