An odd difference between "cat file" and "cat<file"

[priili at ARDC.ARPA]

From:      "Peter A. Riili" (MISD-WAD) <priili at ARDC.ARPA>

Due to the order of command line evaluation by the Shell, this difference
exists for any applicable command:

   cmd file             VS.              cmd < file

where "file" is given with one or more metacharacters: * ? []
This is because I/O redirection is performed BEFORE filename generation
(i.e. metacharacter expansion).

--Pete Riili, U.S. Army ARDC