Contents
Output
title1 title2
Prerequisites
Prepare input.json with following content.
{ "encoding": "UTF-8", "items": [ { "title": "title1", "price": 1080 }, { "title": "title2", "price": 2592 } ] }
Code examples
JavaScript
const fs = require('fs'); let file = "./input.json"; fs.readFile(file, (err, data) => { if (err) throw err; const obj = JSON.parse(data.toString()); for(const item of obj["items"]) { console.log(item["title"]); } });
Perl
use strict; use Data::Dumper; use FileHandle; use File::Basename; use JSON; use utf8; binmode STDOUT, ':utf8'; my $file = dirname(__FILE__)."/input.json"; if(my $fh=new FileHandle($file)) { local $/ = undef; my $json_str = <$fh>; $fh->close(); my $djson = decode_json( $json_str ); foreach my $item (@{$djson->{"items"}}) { print $item->{"title"}."\n"; } } else{ die("Failed to open ".$file); }
PHP
<?php $file = __DIR__."/input.json"; $json_str = file_get_contents($file); $djson = json_decode($json_str); foreach($djson->items as $item){ print($item->title."\n"); }
Python
import json file = "./input.json"; fh = open(file, "r") json_str = fh.read() fh.close() djson = json.loads(json_str) for item in djson["items"]: print(item["title"])
Ruby
require 'json' file = "input.json" json_str = "" File.open(file, "r") do |rfh| json_str = rfh.read() end djson = JSON.parse(json_str) for item in djson["items"] print(item["title"]+"\n") end