write_smv - write an smv file
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   write_smv [-h] [<file>]

   Writes out the hierarchy below the current node in smv format to the file
   specified  as  an argument. If no argument is specified, the output is
   available at the standard output.

   Command options:

   -h
          Print the command usage.

   <file>
          name of smv file to be written.

   For more information on smv, refer to the [1]smv manual.
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   Last updated on 20100410 00h02

References

   1. http://www-2.cs.cmu.edu/~modelcheck/smv.html