Mikkel L. Ellertson wrote:
One thing that would probably help your understanding is that [ is
actually a command. It is usually a shell built-in command, but it
is also a command in /usr/bin, and is the same as the test command.
...
Mmm, curious. I wonder why are they /not/ the same command?
$ type [ test
[ is a shell builtin
test is a shell builtin
$ ls -li /usr/bin/{[,test}
1234416 -rwxr-xr-x 1 root root 31404 2007-12-05 08:25 /usr/bin/[
1234972 -rwxr-xr-x 1 root root 29032 2007-12-05 08:24 /usr/bin/test
I always thought that [ and test were links to the same binary.
I guess disk blocks aren't as precious as they once were ;-)
<Joe
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