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Up to [LON-CAPA] / loncom / xml

- added <scriptlib> tag
- changed lonxml to not evaluate emty strings

# The LearningOnline Network with CAPA
# <script> definiton


package Apache::scripttag; 

use strict;
use Apache::lonnet;

sub BEGIN {
  &Apache::lonxml::register('Apache::scripttag',('script','scriptlib'));
}

sub start_script {
  my ($target,$token,$parstack,$parser,$safeeval)=@_;
  
  my $result="";
  my $bodytext=$parser->get_text("/script");
  if ($target ne "edit" ) {
    $result = &Apache::run::run($bodytext,$safeeval);
  } else {
    $result="<textarea>$bodytext</textarea>\n";
  }
  return $result;
}

sub end_script {}

sub start_scriptlib {
  my ($target,$token,$parstack,$parser,$safeeval)=@_;
  my $bodytext=$parser->get_text("/scriptlib");
  my $result ="";
  if ($target ne "edit" ) {
    &Apache::run::run(&getfile($bodytext),$safeeval);
    #print "ran $bodytext:<br>".&getfile($bodytext)."<br>";
  } else {
    $result="<textarea>$bodytext</textarea>\n";
  }
  return $result;
}

sub end_scriptlib {}

sub getfile {
  my ($filename) = @_;
  my $a="";
  &Apache::lonnet::repcopy($filename);
  {
    my $fh=Apache::File->new($filename);
    while (<$fh>) {
      $a .=$_;
    }
  }
  return $a
}

1;
__END__