在 Julia 中保存和检索字典的正确方法是什么? [英] What is the correct way to save and retrieve dictionaries in Julia?

问题描述

我看到 Julia 充分解释了MAT"；其中具有结构的文件可以毫无问题地作为字典读取.现在我已经创建了自己的字典，其结构如下

(String, String)=>[ 诠释，诠释，诠释]

在每个条目上.我可以用 writedlm 保存它，它会产生一个非常有序的表格文本文件，由制表符 ( ) 分隔，但如果不进行大量解析，我将无法检索它.如果我使用 readdlm 我会得到一个类型为 Any 的数组，每行的结构都非常不舒服

"("Bla bla", "tururu")"[a, b, c]"

即两列String，其中包含'"'和'['等符号.

解决方案

您可以使用 HDF5 包:

Pkg.add("HDF5")使用 HDF5、JLDd = 字典(("a", "b") =>[1, 2, 3],("c", "d") =>[4, 5, 6],("e", "f") =>[7、8、9])保存(数据.jld"，数据"，d)加载(数据.jld")[数据"]

<块引用>

JLD 模块的优点是它保留了每个变量的准确类型信息.

I have seen that Julia adequately interprets "MAT" files which have structures in them which are read as dictionaries without problem. Now I have created a dictionary of my own, which has the following structure

(String, String)=> [ Int, Int, Int]

on each entry. I can save it with writedlm and it produces a very orderly tabular text file, separated by tabs ( ), but then I cannot retrieve it without doing a LOT of parsing. If I use readdlm I get an array of type Any, with the very uncomfortable structure at each line

"("Bla bla", "tururu")"     "[a, b, c]"

That is, two columns of Strings which contain signs such as '"' and '['.

解决方案

You could use the JLD (Julia Data) submodule included in the HDF5 package:

Pkg.add("HDF5")
using HDF5, JLD
d = Dict(
    ("a", "b") => [1, 2, 3],
    ("c", "d") => [4, 5, 6],
    ("e", "f") => [7, 8, 9]
)
save("data.jld", "data", d)
load("data.jld")["data"]

the advantage of the JLD module is that it preserves the exact type information of each variable.

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