Altera Quartus II Scripting - Manual (Page 170)

3–40 Chapter 3: Tcl Packages & Commands
chip_planner
Quartus II Scripting Reference Manual © July 2013 Altera Corporation
check_node
Usage
check_node [-gen_id <gen id>] [-node <node id>]
Options
-gen_id <gen id>: Node generic ID
-node <node id>: Node ID
Description
Checks whether the specified node is legal.
Returns 1, if the node is legal. Returns 0, otherwise.
Even if a node is legal, you still must run the check_netlist_and_save command to verify the node legality
within the netlist.
Example
check_node -node 3