loncom/homework/lonmaxima.pm - diff

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version 1.17, 2007/07/11 18:50:33	version 1.21, 2007/08/14 21:54:54
Line 62 sub blacklisted {	Line 62 sub blacklisted {
my ($cmd)=@_;	my ($cmd)=@_;
foreach my $forbidden ('save','load','plot','lisp','includ','compil',	foreach my $forbidden ('save','load','plot','lisp','includ','compil',
'file','batch','stringout','translat','stout',	'file','batch','stringout','translat','stout',
'stin','block','system','concat') {	'stin','block','system','concat','read','inchar',
	'outchar','ttyoff','with_stdout','writefile',
	'reset') {
if ($cmd=~/$forbidden/s) { return 1; }	if ($cmd=~/$forbidden/s) { return 1; }
}	}
return 0;	return 0;