On 1/19/22 06:06, michaelbi wrote:
On Wednesday, 19 January 2022 at 13:21:32 UTC, Stanislav Blinov wrote:
On Wednesday, 19 January 2022 at 13:15:35 UTC, michaelbi wrote:

        foreach(line; > File("input.txt").byLine.map!(a=>a.idup).array.transposed)

so why there is a [] at the end of assocArray printed? thanks.

...because there's an empty line at the end of input.txt?

i got it, though i still don't know where the [] come from. i just add strip here: a=>a.idup.strip

Works for me on Linux. Perhaps there is an issue with Windows line endings?

In any case, the .strip above would not be eliminating empty lines; you need to filter them out e.g. with

  byLine.filter!(line => !line.empty)

Aside: Instead of copying the lines with .idup explicitly, there is .byLineCopy that already does that.

Ali

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