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Text File  |  1999-09-17  |  733b  |  41 lines
  1. #!./perl
  2.  
  3. # $RCSfile: dup.t,v $$Revision: 4.1 $$Date: 92/08/07 18:27:27 $
  4.  
  5. print "1..6\n";
  6.  
  7. print "ok 1\n";
  8.  
  9. open(dupout,">&STDOUT");
  10. open(duperr,">&STDERR");
  11.  
  12. open(STDOUT,">Io.dup") || die "Can't open stdout";
  13. open(STDERR,">&STDOUT") || die "Can't open stderr";
  14.  
  15. select(STDERR); $| = 1;
  16. select(STDOUT); $| = 1;
  17.  
  18. print STDOUT "ok 2\n";
  19. print STDERR "ok 3\n";
  20. if ($^O eq 'MSWin32') {
  21.     print `echo ok 4`;
  22.     print `echo ok 5 1>&2`; # does this work?
  23. }
  24. else {
  25.     system 'echo ok 4';
  26.     system 'echo ok 5 1>&2';
  27. }
  28.  
  29. close(STDOUT);
  30. close(STDERR);
  31.  
  32. open(STDOUT,">&dupout");
  33. open(STDERR,">&duperr");
  34.  
  35. if ($^O eq 'MSWin32') { print `type Io.dup` }
  36. else                  { system 'cat Io.dup' }
  37. unlink 'Io.dup';
  38.  
  39. print STDOUT "ok 6\n";
  40.  
  41.