visgrep(1) on Linux
The text 5c7d7564ec6f, as Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
Visual grep, greps for images in another image
Flags it lists
-
-X -
-Y -
-h -
-t -
-x -
-y