opget/6—retrieve an operation of an event

The opget/6 function retrieves an operation of an event. The syntax for this function is as follows:

opget($EVENT,$SEQNR,$TIME,$AUTHOR,$ACTION,$ARGS)

opget/6 arguments

Argument

Mode

Type

Description

$EVENT

Input

OBJECT

Specifies the event for which to retrieve an operation

$SEQNR

Input

INTEGER

Specifies the sequence number of the desired operation

$TIME

Output

INTEGER

Time stamp of the operation

$AUTHOR

Output

STRING

Author of the operation

$ACTION

Output

STRING

Action name of the operation

$ARGS

Output

STRING

Arguments for the operation action

Use opget/6 function to obtain operation $SEQNR that is attached to event $EVENT. The time stamp is returned in $TIME, the author is returned in $AUTHOR, the action name is returned in $ACTION, and the argument list is returned in $ARGS.

Operations are numbered, starting from 1 for the oldest operation. The most recent operation can be obtained by indicating 0 as the sequence number $SEQNR.

To determine the number of operations attached to an event, see opcnt 2 - count the operations of an event.

opget/6 example

opget($E,0,$TIME,$AUTHOR,$ACTION,$ARGS);

 

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