Hello!
On Sat, Jun 16, 2007 at 04:17:42PM -0700, Clint Pachl wrote:
>The other day on the Internet I found a shell tip that showed how to use
>cp or mv with only a single argument. I tried it in the default pdksh in
>OBSD and it worked. I thought to myself, I can't believe I have been
>using the shell for over 8 years and didn't know that. Now I can't
>remember how to do it or where I found the tip. Does anybody know what
>I'm talking about? (I'm too lazy to look through source for this)
>This obviously isn't correct, but it went something like this:
>$ ls
>test
>$ cp {test,.bak}
>$ ls
>test test.bak
You mean
$ cp test{,.bak}
See "Brace expansion" in the ksh(1) manual page. (Note, it's not in
sh(1)! After testing I see brace expansion is not described in the sh
manual page, but if I invoke sh and type echo a{,b}, the result is
still the same as in ksh).
Kind regards,
Hannah.
