IPC::Open3 problem

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What is wrong with that?

opi:/home # perl -MIPC::Open3 -e 'my ($fd0,$fd1,$fd2); my $pid=open3($fd0,$fd1,$fd2,"cat -v");for ($fd0,$fd1,$fd2){print "$_:", fileno($_), "\n"}'
GLOB(0x8148bd0):4
GLOB(0x8193058):5
:

I expected something like

GLOB(0xxxxxxxx):3
GLOB(0xxxxxxxx):4
GLOB(0xxxxxxxx):5

as output.

I am using IPC::Open3 Version 1.0104 and

opi:/home # perl -V
Summary of my perl5 (revision 5.0 version 8 subversion 0) configuration:
  Platform:
    osname=linux, osvers=2.4.19, archname=i586-linux-thread-multi
    uname='linux bloembergen 2.4.19 #1 mon apr 15 08:57:26 gmt 2002 i686 unknown '
    config_args='-ds -e -Dprefix=/usr -Dusethreads -Di_db -Di_dbm -Di_ndbm -Di_gdbm -Duseshrplib=true'
    hint=recommended, useposix=true, d_sigaction=define
    usethreads=define use5005threads=undef useithreads=define usemultiplicity=define
    useperlio=define d_sfio=undef uselargefiles=define usesocks=undef
    use64bitint=undef use64bitall=undef uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O3 --pipe',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing'
    ccversion='', gccversion='3.2', gccosandvers=''
    intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=12
    ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=4, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =''
    libpth=/lib /usr/lib /usr/local/lib
    libs=-lnsl -ldl -lm -lpthread -lc -lcrypt -lutil
    perllibs=-lnsl -ldl -lm -lpthread -lc -lcrypt -lutil
    libc=, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.2.5'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-rdynamic -Wl,-rpath,/usr/lib/perl5/5.8.0/i586-linux-thread-multi/CORE'
    cccdlflags='-fPIC', lddlflags='-shared'


Characteristics of this binary (from libperl): 
  Compile-time options: MULTIPLICITY USE_ITHREADS USE_LARGE_FILES PERL_IMPLICIT_CONTEXT
  Built under linux
  Compiled at Sep  9 2002 18:13:56
  @INC:
    /usr/lib/perl5/5.8.0/i586-linux-thread-multi
    /usr/lib/perl5/5.8.0
    /usr/lib/perl5/site_perl/5.8.0/i586-linux-thread-multi
    /usr/lib/perl5/site_perl/5.8.0
    /usr/lib/perl5/site_perl
    .
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• IPC::Open3 problem by Torsten Foertsch
• Re: IPC::Open3 problem by Michael G Schwern