missing man page

No man page found for for%20pool%20in%20%24%28zpool%20list%20-Hg%20-o%20name%29%20%3B%20do%20log_file%3D%22%24%7BHOME%7D/deletion-%24%7Bpool%7D.log%22%3B%20rm.1%20-f%20%22%24%7Blog_file%7D%22%20%26%26%20for%20i%20in%20%24%28zfs%20list%20-t%20snapshot%20%7C%20grep%20%22%5E%24%7Bpool%7D%22%20%7C%20grep%20%27zfs-auto-snap%27%7C%20awk%20%27%7Bprint%20%241%7D%27%29%20%3B%20do%20sudo.8%20zfs%20destroy%20-v%20%22%24i%22%20%7C%20plan9-tee.