Talvez ajude,

http://r.789695.n4.nabble.com/file-reading-problem-unique-to-windows-Err-info-Error-in-file-file-ifelse-append-quot-a-quot-quot-w-n-td3058359.html

Allaman

(S,f,P)

Ivan Bezerra Allaman
Doutor em Zootecnia/UFLA
email e msn - ivanalaman@yahoo.com.br