# Nested iteration in comprehension

**URL:** <https://discourse.julialang.org/t/nested-iteration-in-comprehension/123437>\
**Category:** General Usage\
**Created:** [December 4, 2024, 6:24am UTC](https://discourse.julialang.org/t/nested-iteration-in-comprehension/123437 "2024-12-04T06:24:28Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![jling](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jling/32/212909_2.png) [@jling](https://discourse.julialang.org/u/jling)\
**Post date:** [December 5, 2024, 6:53am UTC](https://discourse.julialang.org/t/nested-iteration-in-comprehension/123437/8 "2024-12-05T06:53:58Z")

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> [@How to use \`readdlm\` to read in a Matrix{Char}](https://discourse.julialang.org/t/how-to-use-readdlm-to-read-in-a-matrix-char/123464):
>
> Sometimes it’s useful to read in the file as a matrix of characters, in other words, split on empty char – but currently, readdlm(path, dlm::Char) the second argument has to be a Char and there’s no empty Char. am I missing something? The current workaround is not too bad: stack(readlines(path); dims=1)

Might be if interest

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