10 lines
342 B
Text
10 lines
342 B
Text
def middle3:
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if . < 0 then -. else . end
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| tostring as $s
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| ($s | length) as $n
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| if $n<3 or ($n % 2) == 0 then "invalid length: \($n)"
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else (($n - 1) / 2) as $n | $s[$n - 1 : $n + 2]
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end ;
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(123, 12345, 1234567, 987654321, 10001, -10001, -123, -100, 100, -12345, 1, 2, -1, -10, 2002, -2002, 0)
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| "\(.) => \( .|middle3 )"
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