openrefine - 将列导入现有 OpenRefine 项目

Question

如何将外部 .csv 文件中的列添加到现有项目？

我试图在网上找到解决方案，但没有成功。

Answer 1

使用您提供的文件，我在不到一分钟的时间内完成了此操作。

我有一个项目，只有一列：.

如果您了解一点 Python，请尝试 Jython。Edit Column > Add column based on this column并选择Language : Jython像这样：

import csv 
#we are going to use DictReader to transform our imported rows into dict, 
#so we can latter just refer to the column we want by its key i.e header
rows = csv.DictReader(open('/home/yourusername/Downloads/example.csv'), delimiter=",")  
for row in rows:
        return row['Comprar'] #'comprar' is the header of the column i want