##### Model Transformation Tools #####
  ######################################
  
  ###############################################################
  ## Version control history
  ###############################################################
  ## $Log$
  ## Revision 1.3  2002/12/06 22:12:28  geraint
  ## Removed unique option from sort
  ## - prevents multiple anonymous components from existing
  ## - duplicate named components are caught by rbg_fig2m.awk anyway
  ##
  ## Revision 1.2  2002/12/06 11:47:49  gawthrop
  ## Checks levels in fig file to extract genuine components
  ## Puts comments at top of cmp.txt file
  ##
  ## Revision 1.1  2002/12/01 14:54:39  gawthrop
  ## Replaces defunct abg2lbl_fig2txt
  ##

}

remove_port_labels() {
  grep -v '^\[.*\]$'
}

remove_junctions() {
  grep -v '^[01]$' 
} 

## Create header
header > ${outfile}

## Make list of components
get_valid_components < ${infile} |\
   remove_port_labels |\
   remove_junctions |\
   sort >> ${outfile}