llKeyCountKeyValue

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/LSL

KeyCountKeyValue

llKeyCountKeyValue

Summary

Function: key llKeyCountKeyValue( );

?	Function ID
	Forced Delay
	Energy

Start an asynchronous transaction to request the number of keys in the system.
Returns a handle (a key) that can be used to identify the corresponding dataserver event to determine if this command succeeded or failed.

The dataserver callback parameters are:

• A key containing the handle returned from llKeyCountKeyValue
• A string containing a comma-delimited list. The first item is a boolean specifying if the transaction succeeded (1) or not (0). On a success result the second value is the number of items in the system.

Caveats

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Examples

<lsl>key trans; default {

   state_entry()
   {
       trans = llKeyCountKeyValue("FOO");
   }

}

dataserver(key t, string value) {

   if (t == trans)
   {
       // our llKeyCountKeyValue transaction is done
       list result = llCSV2List(value);
       if (llList2Integer(result, 0) == 1)
       {
           // data size retrieved
           llSay(0, "Keys in use: "+llList2String(result, 1)");
       }
       else
       {
           // key count failed
           llSay(0, "Key-value failed to count keys: " + llList2String(result, 1) );
       }
   } 

}</lsl>

See Also

Functions

• llGetExperienceErrorMessage
• llCreateKeyValue
• llReadKeyValue
• llUpdateKeyValue
• llDeleteKeyValue
• llDataSizeKeyValue
• llKeyCountKeyValue
• llKeysKeyValue

Deep Notes

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Signature
function key llKeyCountKeyValue();