unless( $ARGV[ 0 ] ) { die "Usage:\n\t${PROGRAM_NAME} book-code [LANGUAGE] [OUTPUTFILE]\n"; }
+# Check that all the binaries are were want them
+
+my @BINARIES;
+push @BINARIES, ($XMLPROC, $JAVA);
+
+foreach (@BINARIES) {
+ if ( ! -e $_ ) {
+ die "$PROGRAM_NAME: Cannot find binary '".$_."'. Please install it.\n";
+ }
+}
+
+
print "Reminder:\n\tDid you uncomment the LaTeX special character\n\tdeclarations in the book's XML file?\n";
my $bookCode = $ARGV[ 0 ];