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3:33 AM
@Leo Ooh, nice. I need some really good examples of how to use Eval ~.
I need to make dynamic code using a string option and use the result of a previous stage as input to the evaluated code, which the guide says you can do.
I'm having trouble figuring out Eval just by guessing
 
3:49 AM
I figured it out!
Well, now I feel awesome.
This transposes an input rectangle of any size
oh wait... nvm. Not quite
This one works, though I'm sure it isn't minimal because of how I got the numbers: tio.run/##K0otycxLNPz/390wgcs5gUtPm0tF25DLuSxBTw/…
0
A: Transpose a page of text

mbomb007Retina, 55 bytes P`.+ G1` C` .+ $+2 Cv`.. .+ $+1 "L,$+5vs,$+3,`.+"^~` $0 Try it online! Based on this program that I created to transpose any size of rectangle, which uses Leo's suggestion for transposing a rectangle of a known size.

 
 
4 hours later…
Leo
7:49 AM
@mbomb007 That's nice! Now I don't have time to try it, but I think it could be golfed quite a bit by using $. substitutions instead of C stages to compute lenghts
 
 
6 hours later…
Leo
1:35 PM
Here's a fairly well golfed solution Try it online!
i've also added a final stage to trim trailing spaces from each line since the challenge asks for it
 

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