Perhaps with something like this?:

#!/usr/bin/env perl

use strict;
use warnings;
use Path::Tiny;
use feature qw(say);
use open ':encoding(UTF-8)';

my $file = q(data.txt);

path($file)->spew_utf8(q(Lorem ipsum kizuaheli));

my $digest = qq($file\.digest);

path($digest)->spew_utf8( path($file)->digest );

# path ($digest)->append_utf8("nose");

if ( path($file)->digest ne path($digest)->slurp_utf8 ) {
    say q(Something went wrong!);
}
else {
    my $fh = path($file)->filehandle( { locked => 1 }, "<" );
    say <$fh>;
}

__END__

[download]

Not really tested. Just an idea.

Best regards, Karl

«The Crux of the Biscuit is the Apostrophe»

perl -MCrypt::CBC -E 'say Crypt::CBC->new(-key=>'kgb',-cipher=>"Blowfish")->decrypt_hex($ENV{KARL});'Help

In reply to Re^2: bullet proof SLURP file by karlgoethebier
in thread bullet proof SLURP file by leszekdubiel

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