How to use `readdlm` to read in a Matrix{Char}

[carstenbauer]

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How to read a textfile directly as `Matrix{Char}`

it’s that time of the year again, say we have: 467..114.. ...*...... ..35..633. ......#... 617*...... .....+.58. ..592..... ......755. ...$.*.... .664.598.. in a file, and we want: julia> mapreduce(permutedims∘collect, vcat, readlines("./a.txt")) 10×10 Matrix{Char}: '4' '6' '7' '.' '.' '1' '1' '4' '.' '.' '.' '.' '.' '*' '.' '.' '.' '.' '.' '.' '.' '.' '3' '5' '.' '.' '6' '3' '3' '.' '.' '.' '.' '.' '.' '.' '#' '.' '.' '.' '6' '1' '7' '*' '.' '.' …