解码URL Unix/Bash命令行(不使用sed) [英] Decode URL Unix/Bash Command Line (without sed)

问题描述

我正在用curl抓取一个网站并解析出我需要的东西.

I am scraping a website with curl and parsing out what I need.

URL返回带有Ascii编码的字符，例如

The URLs are returned with Ascii encoded characters like

GET v2.12/...?fields={fieldname_of_type_Tab} HTTP/1.1

GET v2.12/...?fields={fieldname_of_type_Tab} HTTP/1.1

如何直接从命令行将其转换为UTF-8(字符)(理想情况下，我可以通过管道将|传递给)，以便结果是...

How can I convert this to UTF-8 (char) directly from the command line (ideally something I can pipe | to) so that the result is...

GET v2.12/...?fields={fieldname_of_type_Tab} HTTP/1.1

sed有很多解决方案，但是随之而来的正则表达式却很难看.由于提供的利用perl的答案非常干净，我希望我们可以将这个问题保留为开放状态

There are a number of solutions with sed but the regex that goes along with it is quite ugly. Since the provided answer leveraging perl is very clean I hope we can leave this question open

推荐答案

它是 html-实体.

使用 perl 的问题进行解码:

Decode like this using perl :

$ echo 'http://domain.tld/?fields={fieldname_of_type_Tab&#125' |
    perl -MHTML::Entities -pe 'decode_entities($_)' 

输出:

http://domain.tld/?fields={fieldname_of_type_Tab}

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