[Help-bash] Destroying arbitrary subset in an associative array?

[Mingye Wang (Arthur2e5)]

Hello,

I have a set of functions in a script that wraps around operations in a 
certain associative array, $dict. When I try to unset a subset with 
quotes or backslashes, however, my "del" function always fail with "not 
a valid identifier". I am using bash 4.3.42.

The problem boils down to this snippet:

        declare -A dict
        dict['"']=1
        dict['`']=2
        dict["'"]=3
        dict['\']=4
        declare -p dict

        del(){ unset -v dict["$1"]; }
        for k in "address@hidden"; do del "$k"; done

I have also tried `unset dict["'"]` manually, which gives me "bad array 
subscript" instead.

Could anyone show me how to programmatically destroy arbitrary keys in 
an associative array, including ones with quotes and backslashes, please?

--
Regards,

Arthur2e5

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