How to use the -t option of Unix command look I'm learning the `look` utility and I don't understand the meaning of the `-t` option. Can someone show me some examples of it? I read the `man` page, but still don't know what it exactly means.

I don't know why that option would be useful. However here's an example:


$ look -df uncle /usr/share/lib/dict/words
uncle
$ look -df -tc uncle /usr/share/lib/dict/words
unchristian
uncle
uncouth
unction


I suppose it's to give you a mechanism to look up "similar" words if you don't have complete control over the lookup-string.