hakata

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- hakata
- commented on "Can you get the loop ?" kata
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- hakata
- created an issue for "Can you get the loop ?" kata
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- hakata
- commented on "String Reversing, Changing case, etc." shell solution
I do get this error both on zsh and bash

line 2: ${1~~}: bad substitution

Can you point any documentation about this ${1~~} usage?

Thanks.