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シェルコマンドでFizzBuzz

Last updated at Posted at 2017-12-18
seq 100|sed 's/.*5$/Buzz/;3~3s/[0-9]*/Fizz/'

sedの方を少し解説すると。
s/.*5$/Buzz/ で、末尾に5が来るものをBuzzにする。
3~3s/[0-9]*/Fizz は、3行目から3行ごとにs/[0-9]*/Fizzする、という意味で、.*とせずに[0-9]*としているのは既にBuzzになっている行はBuzzを消さずにFizzBuzzにしたいから。

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