How to use JSON with Perl?

JSON with Perl 1 Environment. Before you start encoding and decoding JSON using Perl, you need to install JSON module, which can be obtained from CPAN. 2 JSON Functions. 3 Encoding JSON in Perl (encode_json) Perl encode_json () function converts the given Perl data structure to a UTF-8 encoded, binary string.

How to write to a text file in Perl?

Perl write to file is used to write content into a file, we can copy content from one text file and write into another text file in Perl. We have used a file handler variable to write to a file, this file handler is associated with the file. If we want to write any record into the file there is necessary that the file is opened in write mode.

What is Perl encode_JSON () function?

Perl encode_json () function converts the given Perl data structure to a UTF-8 encoded, binary string.

Why do I have to iterate through JSON_stream first?

You meant to use $json_stream in all places to denote the filehandle The $data-> {name} should be applied to all members of the array in the .json file, not to the json itself. So you need to iterate through them first When debugging this, make sure your json is valid.

How to install JSON module in Linux?

First, install JSON Perl module from CPAN: $ sudo perl -MCPAN -e ‘install JSON’ Alternatively, if you are using Ubuntu or Debian, you can install JSON module as follows. $ sudo apt-get install libjson-pp-perl

What is Perl encode_JSON () function in Python?

Perl encode_json () function converts the given Perl data structure to a UTF-8 encoded, binary string. The following example shows how Perl objects can be converted into JSON −

What does $content = decode_JSON() do?

(from the docs) expects an UTF-8 (binary) string and tries to parse that as an UTF-8 encoded JSON text, returning the resulting reference. In the line my $content = decode_json($json_str);