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Improve math.pl to support specific math functions (e.g., sqrt, etc)
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@ -13,8 +13,8 @@ use warnings;
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# These are set automatically by the build/commit script
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use constant {
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BUILD_NAME => "PBot",
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BUILD_REVISION => 531,
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BUILD_DATE => "2014-03-22",
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BUILD_REVISION => 532,
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BUILD_DATE => "2014-03-23",
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};
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1;
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@ -2,22 +2,44 @@
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# Quick and dirty by :pragma
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my ($arguments, $response, $invalid);
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my ($arguments, $response);
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my @valid_keywords = (
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'sin', 'cos', 'tan', 'atan', 'exp', 'int', 'hex', 'oct', 'log', 'sqrt',
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'floor', 'ceil', 'asin', 'acos', 'log10', 'sinh', 'cosh', 'tanh', 'abs',
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'pi'
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);
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if ($#ARGV < 0)
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{
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print "Dumbass.\n";
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die;
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exit 0;
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}
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$arguments = join(" ", @ARGV);
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$arguments = join(' ', @ARGV);
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if($arguments =~ m/[\$a-z]/i)
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{
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print("Illegal characters, please only use numbers and valid operators (+, -, /, *, etc).");
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die();
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if($arguments =~ m/([\$`\|])/) {
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$invalid = $1;
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} else {
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while($arguments =~ /([a-zA-Z]+)/g) {
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my $keyword = $1;
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$invalid = $keyword and last if not grep { /^$keyword$/ } @valid_keywords;
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}
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}
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$response = eval($arguments);
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print "$arguments = $response";
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if($invalid) {
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print "Illegal symbol '$invalid' in equation\n";
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exit 1;
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}
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$response = eval("use POSIX qw/ceil floor/; use Math::Complex;" . $arguments);
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if($@) {
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my $error = $@;
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$error =~ s/ at \(eval \d+\) line \d+.//;
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$error =~ s/[\n\r]+//g;
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print $error;
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exit 1;
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}
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print "$arguments = $response\n";
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