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Updated SC2002 (markdown)

koalaman
2015-09-04 09:00:06 -07:00
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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). `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`. Many tools also accept optional filenames, e.g. `grep -q foo file` instead of `cat file | grep -q foo`.