w_scan(1) on Linux
The text cc3ed3d0129e, as Debian 6.0 (Squeeze) shipped it.
a universal ATSC and DVB blind scanner
Flags it lists
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-a -
-c -
-e -
-f -
-h -
-i -
-k -
-l -
-o -
-p -
-q -
-r -
-s -
-t -
-v -
-x