Update gadget print components in a print file

Replace and/or append new print comonents to an existing file

# S3 method for gadgetprint
gadget_update(gf, component, ...)

Arguments

gf

The gadgetfile object to update

component

Either a replacement gadget_print_component (from MFDB or rgadget), or a component type name

...

If a component type was provided above, the extra options to supply to gadget_print_component