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Sep 4th, 2015
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  1. (1,2,3) -ne $null # 1 と 2が返る。つまり if ((1,2,$null) -ne $null){} なら true 扱い
  2.  
  3. # not null が返る
  4. $array = @($null,1,2);
  5. if ($array -eq $null)
  6. {
  7. "null"
  8. }
  9. else
  10. {
  11. "not null"
  12. }
  13.  
  14. # null が返る
  15. $array = @($null,$null,1,2);
  16. if ($array -eq $null)
  17. {
  18. "null"
  19. }
  20. else
  21. {
  22. "not null"
  23. }
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