loop - Command to close/open the WFS loop
loop [-i|-h] (open|close)
loop is a script executed from the command line which will
allow the caller to open or close the WFS AO control loop on
When commanded, the script in turn passes a request onto the
NAOMI data server which in turn requests the NAOMI sequencer
to perform the desired action. See the ENVIRONMENT section
for details on how to specify the name of the machine which
is hosting the NAOMI data server.
The command line options that the program accepts are
-h Print usage information about the application.
-i Print usage information about the application.
The script returns the following codes after execution.
0 - Command completed successfully
This code is returned when the command is successfully
1 - Command Failed
This code is returned when the command is fails.
Failure may be due to a number of reasons and which
will be reported to both stdout and to the syslog.
2 - Command timed out
The command has failed to complete in the allocated
3 - Incorrect command line arguments specified
This code is returned when the command line arguements
have been incorrectly specified by the user.
3 - The target position has been incorrectly specified
The position of the science object has not been speci-
20 - No command status returned by the NAOMI sequencer
No command status has been returned by the NAOMI
sequencer so it is impossible to deduce the status of
the NAOMI command.
If the NAOMIHOST environment variable is set, this will
be used by the script to establish the location of the
NAOMI data server (see EPMDataServer(1)). By default,
the NAOMI data server is expected to found on the
This should be set to include the directories which
contain the WHT OCS support classes. This is done by
default from the whtobs account.
Craige Bevil (firstname.lastname@example.org)
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