#! /usr/bin/perl
#-*- perl -*- (for *.in)
#
# Show those *.Rd files which do  NOT have a \keyword{.}
#

use Getopt::Long;
use File::Basename;
use Cwd;

$cwd=getcwd();
if($ENV{"RHOME"}){
    $RHOME=$ENV{"RHOME"};
}
else{
    chdir(dirname($0) . "/..");
    $RHOME=getcwd();
}

chdir($cwd);

require "$RHOME/etc/Rdconvlib.pl";

@knownoptions = ("debug|d", "help|h");
GetOptions (@knownoptions) || usage();

usage() if $opt_help;
print stderr "RHOME: '$RHOME';  cwd='$cwd'\n" if $opt_debug;

##
file:
  while ($file = shift @ARGV) {
    if(!open(RD, $file)) {
      warn "couldn't open file '$file':$!\n";
      next file;
    }
    $max_bracket = 0;
    $max_section = 0;
    undef $complete_text;
    undef %blocks;
    undef @section_body;
    undef @section_title;

    #-- remove comments (everything after a %)
    while(<RD>){
	while(s/^\\%|([^\\])\\%/$1escaped_percent_sign/go){};
	s/^([^%]*)%.*$/$1/o;
	s/escaped_percent_sign/\\%/go;
	$complete_text = "$complete_text$_";
    }

    mark_brackets();
    escape_codes();

    if(@keywords= get_multi($complete_text,"keyword")) {
      if($opt_debug) {
	print STDERR "$file: Keywords=";
	&print_vec(STDERR, 'keywords');
      }
    } else { ##-- NO Keywords!
      print "$file\n"; ##--- The file without keyword

    }

  }



sub usage {

    print "keyword-test [ -d(ebug) ] [ -h(elp) ]  __.Rd-files__ \n";
    print "Example: $0 ../src/library/base/eda/*.Rd\n\n";
    exit 0;
}

