Error: variable i cannot be read at compile time

[thedeemon]

On Sunday, 7 January 2018 at 17:30:26 UTC, Vino wrote:

>  I tried to manipulate the writeln's as below but the output is 
> not as expected as it prints the data in row wise, where as we 
> need it in column wise.

You've said before you need 6 different files, not some tables.
Also, after the "compression" data columns will have different 
length. How exactly do you want to combine them into a table?