That seems to be the only reliable approach. You don’t even need to load IO::Handle. However, I can’t actually get it to complain:

use strict;

sub IO::Handle::DESTROY {
    my $self = shift;
    warn +(caller 0)[3]."($self)\n";
    close $self or die "$!\n";
}

{ if( open my $fh, ">", "/dev/full" ) { print { $fh } 1 } }

warn "Terminating\n";
__END__
IO::Handle::DESTROY(IO::Handle=IO(0x8130c0c))
Terminating

[download]

The error does occur: if I change the die to a warn, I see the warning. But while die aborts execution (statements after it will not run), I can’t make it throw an exception. The conditions from Carping in DESTROY, which was mentioned in another subthread, do not apply either.

Makeshifts last the longest.

In reply to Re^4: How do I make the garbage collector throw an exception when it fails to auto-close a filehandle? by Aristotle
in thread How do I make the garbage collector throw an exception when it fails to auto-close a filehandle? by Aristotle

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