Use the -efile test operator:

if(-e $file){
  print"File exists\n";
}

## And to test if its a directory...

if(-d $file){
  print"Its also a directory!\n";
}
[download]

TStanley
--------
There's an infinite number of monkeys outside who want to talk to us
about this script for Hamlet they've worked out
-- Douglas Adams/Hitchhiker's Guide to the Galaxy