The rows of 13 4 ⍴ idx show the individual bytes of the UTF-8 encoding of
some characters. Convert to text with e.g.:
19 ⎕CR ⎕UCS 226 141 186 226 141 181
⍺⍵
To convert the other way:
⎕UCS 18 ⎕CR cards
240 159 130 168 240 159 130 166 ...
Jay.
On 28 October 2016 at 06:10, <alexwei...@alexweiner.com> wrote:
> hi bugapl,
>
> I'm getting a bit confused, and would appreciate help.
>
> I'm trying to pass cards to a webserver, but GET and POST percent-encode
> values.
>
> I have this code that converts the text-hex to decimal values.
>
> cards←'🂨🂦🂻🂷🂴🂲🃝🃘🃒🃋🃊🃆🃄'
> hexcodes←,¨,(16 1 ⍴'0123456789ABCDEF')∘., (⍪¨'0123456789ABCDEF')
> hand←"%F0%9F%82%A8%F0%9F%82%A6%F0%9F%82%BB%F0%9F%82%B7%F0%
> 9F%82%B4%F0%9F%82%B2%F0%9F2%B2%F0%9F%83%9D%F0%9F%83%98%F0%
> 9F%83%92%F0%9F%83%8B%F0%9F%83%8A%F0%9F%83%86%F0%9F%83%84"
> handpart←1↓¨(+\hand='%')⊂hand
> idx←hexcodes⍳handpart
> 13 4 ⍴idx
> 241 160 131 169
> 241 160 131 167
> 241 160 131 188
> 241 160 131 184
> 241 160 131 181
> 241 160 131 179
> 241 160 132 158
> 241 160 132 153
> 241 160 132 147
> 241 160 132 140
> 241 160 132 139
> 241 160 132 135
> 241 160 132 133
>
> ⎕ucs cards
> 127144 127142 127163 127159 127156 127154 127197 127192 127186 127179
> 127178 127174 127172
>
> not sure how to link the rows of 13 4 ⍴ idx with ⎕ucs cards. Any
> suggestions before I dove into RFCs?
>
> -Alex
>
