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added 182 characters in body

edited Mar 23, 2020 at 18:38

Bash + Core utilities, 2525 23 bytes

tr B-Z b-z|tr aeiou AEIOUAEIOU<<<${1,,}

Saved 2 bytes thanks to a suggestion of Nahuel Fouilleul.

Input is passed as an argument, output is on stdout.

tr B-Z b-z|tr aeiou AEIOU

tr aeiou AEIOU<<<${1,,}

Saved 2 bytes thanks to a suggestion of Nahuel Fouilleul.

Input is passed as an argument, output is on stdout.

answered Mar 22, 2020 at 20:57

tr B-Z b-z|tr aeiou AEIOU