219 lines
6 KiB
Perl
219 lines
6 KiB
Perl
#!./perl
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BEGIN {
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chdir 't' if -d 't';
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@INC = '../lib';
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push @INC, "::lib:$MacPerl::Architecture:" if $^O eq 'MacOS';
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require Config; Config->import;
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}
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use Test::More tests => 22;
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# open::import expects 'open' as its first argument, but it clashes with open()
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sub import {
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open::import( 'open', @_ );
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}
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# can't use require_ok() here, with a name like 'open'
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ok( require 'open.pm', 'requiring open' );
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# this should fail
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eval { import() };
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like( $@->{description}, qr/needs explicit list of PerlIO layers/,
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'import should fail without args' );
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# prevent it from loading I18N::Langinfo, so we can test encoding failures
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my $warn;
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local $^WARN_HOOK = sub {
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$warn .= shift->{description};
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};
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# and it shouldn't be able to find this layer
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$warn = '';
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eval q{ no warnings 'layer'; use open IN => ':macguffin' ; };
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is( $warn, '',
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'should not warn about unknown layer with bad layer provided' );
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$warn = '';
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eval q{ use warnings 'layer'; use open IN => ':macguffin' ; };
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like( $warn, qr/Unknown PerlIO layer/,
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'should warn about unknown layer with bad layer provided' );
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# open :locale logic changed since open 1.04, new logic
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# difficult to test portably.
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# see if it sets the magic variables appropriately
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import( 'IN', ':crlf' );
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is( %^H{'open_IN'}, 'crlf', 'should have set crlf layer' );
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# it should reset them appropriately, too
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import( 'IN', ':raw' );
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is( %^H{'open_IN'}, 'raw', 'should have reset to raw layer' );
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# it dies if you don't set IN, OUT, or IO
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eval { import( 'sideways', ':raw' ) };
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like( $@->{description}, qr/Unknown PerlIO layer class/, 'should croak with unknown class' );
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# but it handles them all so well together
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import( 'IO', ':raw :crlf' );
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is( $^OPEN, ":raw :crlf\0:raw :crlf",
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'should set multi types, multi layer' );
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is( %^H{'open_IO'}, 'crlf', 'should record last layer set in %^H' );
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SKIP: {
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skip("no perlio, no :utf8", 12) unless (PerlIO::Layer->find( 'perlio'));
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eval <<EOE;
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use open ':utf8';
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use utf8;
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open(O, ">", "utf8");
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print O chr(0x100);
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close O;
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open(I, "<", "utf8");
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is(ord(~<*I), 0x100, ":utf8 single wide character round-trip");
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close I;
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EOE
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die if $@;
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open F, ">", "a";
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@a = map { chr(1 << ($_ << 2)) } 0..5; # 0x1, 0x10, .., 0x100000
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unshift @a, chr(0); # ... and a null byte in front just for fun
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print F @a;
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close F;
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sub systell {
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use Fcntl 'SEEK_CUR';
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sysseek(@_[0], 0, SEEK_CUR);
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}
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require bytes; # not use
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my $ok;
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open F, "<:utf8", "a";
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$ok = $a = 0;
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for (@a) {
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unless (
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($c = sysread(F, $b, 1)) == 1 &&
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length($b) == 1 &&
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ord($b) == ord($_) &&
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systell(*F) == ($a += bytes::length($b))
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) {
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print '# ord($_) == ', ord($_), "\n";
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print '# ord($b) == ', ord($b), "\n";
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print '# length($b) == ', length($b), "\n";
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print '# bytes::length($b) == ', bytes::length($b), "\n";
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print '# systell(F) == ', systell(*F), "\n";
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print '# $a == ', $a, "\n";
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print '# $c == ', $c, "\n";
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last;
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}
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$ok++;
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}
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close F;
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ok($ok == @a,
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"on :utf8 streams sysread() should work on characters, not bytes");
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sub diagnostics {
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print '# ord($_) == ', ord($_), "\n";
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print '# bytes::length($_) == ', bytes::length($_), "\n";
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print '# systell(G) == ', systell('G'), "\n";
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print '# $a == ', $a, "\n";
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print '# $c == ', $c, "\n";
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}
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my %actions = (
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syswrite => sub { syswrite G, shift; },
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'syswrite len' => sub { syswrite G, shift, 1; },
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'syswrite len pad' => sub {
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my $temp = shift() . "\243";
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syswrite G, $temp, 1; },
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'syswrite off' => sub {
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my $temp = "\351" . shift();
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syswrite G, $temp, 1, 1; },
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'syswrite off pad' => sub {
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my $temp = "\351" . shift() . "\243";
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syswrite G, $temp, 1, 1; },
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);
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foreach my $key (sort keys %actions) {
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# syswrite() on should work on characters, not bytes
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open G, ">:utf8", "b";
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print "# $key\n";
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$ok = $a = 0;
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for (@a) {
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unless (
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($c = %actions{$key}($_)) == 1 &&
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systell(*G) == ($a += bytes::length($_))
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) {
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diagnostics();
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last;
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}
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$ok++;
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}
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close G;
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ok($ok == @a,
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"on :utf8 streams syswrite() should work on characters, not bytes");
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open G, "<:utf8", "b";
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$ok = $a = 0;
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for (@a) {
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unless (
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($c = sysread(G, $b, 1)) == 1 &&
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length($b) == 1 &&
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ord($b) == ord($_) &&
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systell(*G) == ($a += bytes::length($_))
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) {
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print '# ord($_) == ', ord($_), "\n";
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print '# ord($b) == ', ord($b), "\n";
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print '# length($b) == ', length($b), "\n";
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print '# bytes::length($b) == ', bytes::length($b), "\n";
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print '# systell(G) == ', systell(*G), "\n";
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print '# $a == ', $a, "\n";
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print '# $c == ', $c, "\n";
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last;
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}
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$ok++;
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}
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close G;
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ok($ok == @a,
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"checking syswrite() output on :utf8 streams by reading it back in");
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}
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}
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SKIP: {
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skip("no perlio", 1) unless (PerlIO::Layer->find( 'perlio'));
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use open IN => ':non-existent';
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eval {
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require Symbol; # Anything that exists but we havn't loaded
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};
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like($@->{description}, qr/Can't locate Symbol|Recursive call/i,
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"test for an endless loop in PerlIO_find_layer");
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}
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END {
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1 while unlink "utf8";
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1 while unlink "a";
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1 while unlink "b";
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}
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# the test cases beyond __DATA__ need to be executed separately
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__DATA__
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$ENV{LC_ALL} = 'nonexistent.euc';
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eval { open::_get_locale_encoding() };
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like( $@, qr/too ambiguous/, 'should die with ambiguous locale encoding' );
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%%%
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# the special :locale layer
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$ENV{LC_ALL} = $ENV{LANG} = 'ru_RU.KOI8-R';
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# the :locale will probe the locale environment variables like LANG
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use open OUT => ':locale';
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open(O, ">", "koi8");
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print O chr(0x430); # Unicode CYRILLIC SMALL LETTER A = KOI8-R 0xc1
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close O;
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open(I, "<", "koi8");
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printf "%#x\n", ord(~<*I), "\n"; # this should print 0xc1
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close I;
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%%%
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