You want to use Module::CoreList. 

> corelist -a File::Basename

File::Basename  was first released with perl 5
  5          undef
  5.001      undef
  5.002      undef
  5.00307    2.4
  5.004      2.5
  5.00405    2.6
  5.005      2.6
  5.00503    2.6
  5.00504    2.6
  5.006      2.6
  5.006001   2.6
  5.006002   2.6
  5.007003   2.71
  5.008      2.71
  5.008001   2.72
  5.008002   2.72
  5.008003   2.72
  5.008004   2.72
  5.008005   2.73
  5.008006   2.73
  5.008007   2.73
  5.008008   2.74
  5.009      2.72
  5.009001   2.72
  5.009002   2.73
  5.009003   2.74

[download]

-xdg

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In reply to Re: Checking if module was released with 5.6 by xdg
in thread Checking if module was released with 5.6 by Anonymous Monk

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