+=item silent
+
+If passed a true value, Term::ProgressBar will do nothing at all. Useful in
+scripts where the progress bar is optional (or just plain doesn't work due to
+issues with modules it relies on).
+
+Instead, tell the constructor you want it to be silent and you don't need to
+change the rest of your program:
+
+ my $progress = Term::ProgressBar->new( { count => $count, silent => $silent } );
+ # later
+ $progress->update; # does nothing
+