Import numerical data from text file, sort and retain only Floats

[Jeff_Emanuel]

julia> x=[1 2 "" 3; 4 5 6 ""]
2×4 Matrix{Any}:
 1  2   ""  3
 4  5  6     ""

julia> filter(!isempty, permutedims(x))
6-element Vector{Any}:
 1
 2
 3
 4
 5
 6