Purpose
With no arguments, show the name of the current LRIS
dichroic. With 1 argument, change the dichroic to the
specified name.
Usage
dichroic [name]
Arguments
name = name of the new dichroic to select
Output
The new/current dichroic name is printed on stdout
Exit values
0 = normal completion
1 = wrong number of arguments
Restrictions
- "dichroic" names containing spaces or special characters must be
quoted
Example
1) show the name of the current dichroic
dichroic
2) reset the dichroic name to "560"
dichroic 560