FIFO DAT

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Summary

The FIFO DAT maintains a user-set maximum number of rows in a table. You add rows using the appendRow() method found in DAT Class. When its capacity is reached, the first row is removed. After the maximum number of rows is reached, the oldest row is discarded when a new row is added.

Example:

op('fifo1').appendRow(['a','b','c'])

PythonIcon.pngfifoDAT_Class

FIFO DAT on Old Wiki


Parameters - FIFO Page

Callbacks DAT callbacks - The Callbacks DAT will execute once for each row added to the FIFO DAT.

Execute from executeloc - - Determines the location the script is run from.

  • Current Node current - The script is executed from the current node location (for example, where 'cc' points to).
  • Callbacks DAT callbacks - The script is executed from the location of the DAT specified in the Callbacks DAT parameter.
  • Specified Operator op - The script is executed from the operator specified in the From Operator parameter below.

From Operator fromop - The operator whose state change will trigger the DAT to execute its script when Execute is set to Specified Operator. This operator is also the path that the script will be executed from if the Execute From parameter is set to Specified Operator.

Clamp Output clamp - The DAT is limited to 100 messages by default but with Clamp Output, this can be set to anything including unlimited.

Maximum Lines maxlines - Limits the number of messages, older messages are removed from the list first.

Clear Output clear - Deletes all lines except the heading. To clear with a python script op("opname").par.clear.pulse()

Keep First Row firstrow - Keeps first row in table.


Parameters - Common Page

Language language - - Select how the DAT decides which script language to operate on.

  • Input input - The DAT uses the inputs script language.
  • Node node - The DAT uses it's own script language.


Edit/View Extension extension - - Select the file extension this DAT should expose to external editors.

  • dat dat - various common file extensions.
  • From Language language - pick extension from DATs script language.
  • Custom Extension custom - Specify a custom extension.


Custom Extension customext - Specifiy the custom extension.


Word Wrap wordwrap - - Enable Word Wrap for Node Display.

  • Input input - The DAT uses the inputs setting.
  • On on - Turn on Word Wrap.
  • Off off - Turn off Word Wrap.


DATs
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