#! /bin/sh

     ###################################### 
     ##### Model Transformation Tools #####
     ######################################

# Bourne shell script: strip args
# Strips unwanted bits from a list of arguments
# Label file to symbolic parameters conversion
# Copyright (C) 2000 by Peter J. Gawthrop

## $Id$  ##
## $Log$ ##
# Inform user
#echo "Creating $1_sympar.txt"

# Separation characters
SEPS='=*;+/()-'
# Replace by ,
REPS=',,,,,,,,'

# This is the main transformation using gawk
tr $SEPS $REPS | \
awk '
function exact_match(name1, name2) {
  return ((match(name1,name2)>0)&&(length(name1)==length(name2)))
}

function matches(names, name) {
  n_matches = split(names,match_name);
  matched = 0;
  for (i_matches = 1; i_matches <= n_matches; i_matches++) {
    if ( exact_match(name,match_name[i_matches]) ) {
      matched = 1;
      break;
    }
  }
  return matched;
}

BEGIN {
  not_an_arg = "effort flow state internal external zero unknown\
                mtt_e mtt_f sqrt exp log sign none abs";
}
{
    args=$1
    N=split(args, arg, ",");
    for (i=1;i<=N;i++){
      if ( (length(arg[i])>0)&&(matches(not_an_arg,arg[i])==0)&&(match(arg[i],"^[0-9]+[.]*")==0) ){
        print arg[i]
      }
  }
}' |\
grep -v '^\$'