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# Copyright (c) 2021, PostgreSQL Global Development Group
# A simple 'tee' implementation, using perl tie.
#
# Whenever you print to the handle, it gets forwarded to a list of
# handles. The list of output filehandles is passed to the constructor.
#
# This is similar to IO::Tee, but only used for output. Only the PRINT
# method is currently implemented; that's all we need. We don't want to
# depend on IO::Tee just for this.
package SimpleTee;
use strict;
use warnings;
sub TIEHANDLE
{
my $self = shift;
return bless \@_, $self;
}
sub PRINT
{
my $self = shift;
my $ok = 1;
for my $fh (@$self)
{
print $fh @_ or $ok = 0;
$fh->flush or $ok = 0;
}
return $ok;
}
1;
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