U2_GetList subroutine [Revelation On-Line Wiki]

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====== U2_GetList subroutine    ======


 
==== Description ====
 
Retrieve a list of keys set using the U2_SaveList subroutine.
 
==== Syntax ====
 
U2_GetList(ListName, VolumeName, SelNum )
 
==== Parameters ====
 
The function has the following parameters:

^Parameter^Description^
|ListName|The name of the saved list to retrieve.|
|VolumeName|The volume on which the list was saved.|
|SelNum|The cursor to use when retrieving the list.||

 
==== Returns ====
 
This subroutine does not return a value.  Use Get_Status() to check for errors.
 
==== See Also ====
 
[[u2_savelist|U2_SaveList()]], [[u2_functions_in_oi|U2 Functions]]
 
==== Example ====
 
<code>
Declare subroutine Rlist, U2_SaveList, FsMsg

* Retrieve the list on the U2 Server.

U2_GetList("CUSTOMER_LIST","U2_VOLUME_1",3)

If Get_Status(errCodes) then

   FsMsg(errCodes)

end else

   keyList = ""

   loop

     readnext id else done = 1

   until done

      keyList := id : @fm

   repeat  

   keyList[-1,1] = "" ; * remove the trailing @fm

end
 
 
 
 
 
</code>