使用R读取压缩文件夹中的csv文件而不解压缩 [英] read a csv file in a zipped folder with R without unzipping

问题描述

我有一个名为master.zip的压缩文件，其中包含2个CSV文件:file1.csv和file2.csv

I have a zipped file named master.zip which contains 2 CSV files inside it: file1.csv and file2.csv

我只想读file1.csv，类似:read_csv('master/file1.csv')，但不必解压缩master.zip.我如何用R做到这一点?

I want to read file1.csv only, something like: read_csv('master/file1.csv'), but without having to unzip master.zip. How can I achieve this with R?

推荐答案

您只需要使用本机函数unz().假设master.zip在您的工作目录中，

You just need to use the native function unz(). Let's assume that master.zip is in your working directory,

# just a list of files inside master.zip
master <- as.character(unzip("master.zip", list = TRUE)$Name)
# load the first file "file1.csv"
data <- read.csv(unz("master.zip", "file1.csv"), header = TRUE,
                 sep = ",") 

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