read_verilog -specify boxes.v
clean

# default selection == select *
select -assert-count 4 *
select -assert-count 4 %

# -none replaces default selection
select -none
select -assert-none %
select -assert-count 13 =*

# select replaces current selection
select =*
select -assert-count 13 %

# -module changes module
select -module wb
select -assert-none %
select -assert-count 5 =*

# -none maintains module
select -none
select -assert-count 5 =*

# -clear clears current selection and module
select -clear
select -assert-count 4 %
select -assert-count 13 =*