try { 
    // Do Stuff
}
catch (IOException e) {
    // Handle IO errors
}
catch (Exception e) {
    // Handle any other error
}

##</code><code>##

eval {
    # Do stuff
};
if($@) {
    # Handle any errors
}

##</code><code>##

eval {
    # Do stuff
}; if(@$) {
    # Handle any errors
}