{
  ## Explicit VAR declarations
  if (match($1,var)>0) print $2 "\t" system_name;

   ## Implicit declarations from the arg list
  if (match($1,"arg")>0) {
    args=substr($3,2,length($3)-3);
    print args
    if (length(args)>0)
      printf("%s\t%s\n", args,system_name)
  }
}' system_name=$2 |\
grep -v '^\$' | mtt_strip_args |\
sort -u > $1_sympar.txt 2>mtt_error.txt
sort -u #> $1_sympar.txt 2>mtt_error.txt

# Now invoke the standard error handling.
mtt_error mtt_error.txt
#mtt_error mtt_error.txt