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tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H3><A NAME="SECTION010219300000000000000">41.1.9.3 Node Exec Button</A></H3>In nam releases, version 1.0a10 and later there is support for running externaluserdefinable scripts or programs from nam by clicking on a node button.<P><TT>v -t 1.0 -e node_tclscript node_id button label tcl script</TT><BR><P>This line when read in a tracefile will add an extra button to node objects thatwill execute a tcl script when clicked.<P>For example:<BR><TT>v -t 1.0 -e node_tclscript 2 "Echo Hello" {puts [exec echo hello]}</TT><BR><P>The above line adds a button to node 2's info window with the label "Echo Hello" and when this button is pressed the shell command "echo hello" will be run and it's output will be returned to nam andthen output to the terminal via the tcl procedure puts.<P>The functions that implement the different nam trace formats describedabove may be found in the following files: 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tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html10270" HREF="node576.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node576.html">41.1.10 Using Streams for</A><B> Up:</B> <A NAME="tex2html10264" HREF="node572.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node572.html">41.1.9 Executing Tcl Procedures</A><B> Previous:</B> <A NAME="tex2html10260" HREF="node574.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node574.html">41.1.9.2 Annotation</A>   <B> <A NAME="tex2html10266" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html10268" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <!--End of Navigation Panel--><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>⌨️ 快捷键说明
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