使用julia1.5.4运行代码时报错：
ERROR: syntax: extra token “porto2h5” after end of expression
Stacktrace:
[1] top-level scope at none:1
porto2h5.jl 如下：
using ArgParse
include(“utils.jl”)
args = let s = ArgParseSettings()
@add_arg_table s begin
“–datapath”
arg_type=String
default=“…/data/geolife1000/”
end
parse_args(s; as_symbols=true)
end
datapath = args[:datapath]
porto2h5(“$datapath/geolife1000.csv”)
function porto2h5(csvfile::String)
df = CSV.File(csvfile) |> DataFrame
#df = df[df.MISSING_DATA .== false, :]
#sort!(df, [:TIMESTAMP])
println(“Processing $(size(df, 1)) trips…”)
## writing in numeric matrix with hdf5
h5open(“…/data/geolife1000.h5”, “w”) do f
num, num_incompleted = 0, 0
for trip in df.POLYLINE
try
trip = Meta.parse(trip) |> eval
catch e
num_incompleted += 1
continue
end
tripLength = length(trip)
tripLength == 0 && continue
trip = hcat(trip…)
num += 1
f[“/trips/$num”] = trip
f[“/timestamps/$num”] = collect(0:tripLength-1) * 15.0
num % 100_000 == 0 && println(“$num”)
end
attributes(f)[“num”] = num
println(“Incompleted trip: $num_incompleted.\nSaved $num trips.”)
end
end