Purpose

Take a red and blue arc plus 3 flats per side. This is a script
optimized for efficiency and intended to be run during the night
to acquire calibrations.

Usage

arcs-n-flats

Arguments

None

Output

Transcript written to STDOUT

Restrictions

- LRIS must be configured for spectroscopy prior to
launching the script

- Exposure times are appropriate for 600-line grism and
600-line grating

Exit values

0 = normal completion
1 = wrong number of arguments

Example

1) Acquire calibrations in the current configuration of LRIS

arcs-n-flats