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Select or download this
```
  sub hole{(pop=~/\w+/g)[4]} # 16
```
Select or download this
```
Can't find label TPC at -e line 5.
```

  perl -e"die qq{Can't find label TPC at -e line 5.\n}"     # 53

...
  perl -e'#line 5' -e'goto TPC'                             # 29

  perl -e'#line 5' -egoto+TPC                               # 27

Select or download this
```
perl -e"



goto TPC"
```

Select or download this

   input       output
  'aaaaaa'     'a'
  'ababab'     'ab'
  'aabaab'     'aab'
  'ababaa'     ''

Select or download this
```
  sub hole{pop=~/^(.+?)\1+$/;$1} #20
```

Select or download this

  5065726c206861636b6572
    ->
  ('P', 'e', 'r', 'l', ' ', 'h', 'a', 'c', 'k', 'e', 'r')

Select or download this

  sub hole{grep$_=$_&&chr hex,split/(..)/,pop}  # 34

...
  sub hole{(pack'H*',@_)=~/./g}                 # 19

  sub hole{$_=pack'H*',@_;/./g}                 # 19

Select or download this

  sub hole{$m=pop;$m=($m,$_)[$m<$_]for@_;$m}    # 32

  sub hole{$m=pop;$_>$m&&($m=$_)for@_;$m}       # 29

  sub hole{$m=pop;$_>$m?$m=$_:1for@_;$m}        # 28

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   e.g.:     hole('dog', 'cat', 'fish', 'duck', 'lemur')
   returns:  ('cat', 'lemur', 'fish', 'dog', 'duck')

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  sub hole{map{$_->[0]}sort{$a->[1]cmp$b->[1]}map{[$_,m/[aeiou]/g]}@_}
+ # 58 

...
  sub hole{map{substr$_,1}sort map{/[aeiou]/;$&.$_}@_}          # 42

  sub hole{map/.(.+)/,sort map/[aeiou]/&&$&.$_,@_}              # 38