I was going to recommend passing only characters that don't exist in iso-latin-1 to
unidecode using a fallback handler to
encode. It works, but I'm getting an error (
Close with partial character.) when the file handle is closed, and I have no idea how to fix it.
Here's the code anyway:
use strict;
use warnings;
use PerlIO::encoding qw( );
use Text::Unidecode qw( unidecode );
use constant FB_UNIDECODE => sub { unidecode(chr($_[0])) };
my $file = '...';
local $PerlIO::encoding::fallback = FB_UNIDECODE;
open(my $fh, '>:encoding(iso-8859-1)', $file)
or die("Unable to create file \"$file\": $!\n");
print $fh "abc\x{201C}def\x{2013}ghi";