Not the shortest, but how do you like this? It prints the whole sequence upt to the first number needing an exponent. 

perl -e '$_||="0$/1";s;(.+)$/(.+)$;"$1$/$2$/".($1+$2);ge while!/e/;pri
+nt'

[download]

BTW: What's "say"? My perdoc doesn't tell me anything about it.

s$$([},&%#}/&/]+}%&{})*;#$&&s&&$^X.($'^"%]=\&(|?*{%
+.+=%;.#_}\&"^"-+%*).}%:##%}={~=~:.")&e&&s""`$''`"e

In reply to Re: Fibonacci golf with one state variable by Skeeve
in thread Fibonacci golf with one state variable by aufflick

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