diff --git a/SC2002.md b/SC2002.md index 125d01a..7c5d2be 100644 --- a/SC2002.md +++ b/SC2002.md @@ -12,7 +12,7 @@ `cat` is a tool for con"cat"enating files. Reading a single file as input to a program is considered a [Useless Use Of Cat (UUOC)](http://en.wikipedia.org/wiki/Cat_(Unix)#Useless_use_of_cat). -It's more efficient and less roundabout to simply use redirection. This is especially true for programs that can benefit from seekable input, like `tail`. +It's more efficient and less roundabout to simply use redirection. This is especially true for programs that can benefit from seekable input, like `tail` or `tar`. Many tools also accept optional filenames, e.g. `grep -q foo file` instead of `cat file | grep -q foo`.