Number::Range will do approximately what you want, you'll just need to reformat the results a bit: 

$ perl -MNumber::Range -e '
  $r = Number::Range->new(5, 1..4, 7..10);
  print scalar($r->range())
'
1..5,7..10

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In reply to Re: Print series of numbers by DrHyde
in thread Print series of numbers by mickep76

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