The readcsv command only pads
<https://github.com/JuliaLang/julia/blob/ab1f287906327941f401ed85f0fa6fd549b17bbf/base/datafmt.jl#L173>
for the Any type and AbstractString type. The skipblanks option doesn't
appear to help. If the file is as regular as you show, then parsing might
not be so bad.
function readit(filename)
# Just one way to get the number of lines. Needs unix.
linecnt=int(match(r"\d+", readall(`wc -l z.txt`)).match)
data=Array(Int, (4,linecnt))
open(filename) do fileio
anint=r"\d+"
idx=1
for line=eachline(fileio)
m=matchall(anint, line)
if m!=nothing
data[1:length(m),idx]=map(int, m)
idx+=1
end
end
end
data
end
