system "/usr/bin/pdflatex -output-directory /tmp /tmp/perl.tex";
system "mv /tmp/perl.pdf /export/www/html/auth/download/"; 

##</code><code>##

[1{/usr/share/texmf-var/fonts/map/pdftex/updmap/pdftex.map
Error: /usr/bin/pdflatex (file /usr/share/texmf-var/fonts/map/pdftex/updmap/pdf
tex.map): fflush() failed
 ==> Fatal error occurred, the output PDF file is not finished!

##</code><code>##

$ /usr/bin/pdflatex -output-directory /tmp /tmp/perl.tex
$ mv /tmp/perl.pdf /export/www/html/auth/download/