The proper way to open()

[Dominic Thoreau]

On 30 January 2012 16:46, Roger Burton West <roger at firedrake.org> wrote:
> What's a good way of opening a file as read-only, and failing if it
> doesn't exist? open() just returns a handle that's not obviously
> invalid, which strikes me as odd behaviour. At the moment I'm doing
> something like:
>
>  open IN,"<$cfg";
>  if (eof IN) {
>    die "bad config file $cfg\n";
>  }

open IN, '<', $cfg || handle_that_error_sub;

# where sub handle_that_error itself calls die with $! . Also gives
you some possibility of doing cleaningup.

-- 
Nonnullus unus commodo reddo is mihi.
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