<wob_jonas> perl -eopen$i,"<",($f="wisdom/aristotle");$_=<$i>; s/find fifth/find the fifth/ or die; if (1) { open$o,">",$f; print$o $_ or die; } print substr$_,0;

#!/usr/bin/perl
$f=0+$ARGV[0]; printf"%.2f°F = %.2f°C",$f,($f-32)*5/9;