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parse.js
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parse.js
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#!/usr/local/bin/node
const ch = require('cheerio')
const fs = require('fs')
const options = require('quasix-getopt').parse()
let $ = null
start()
function start () {
if (options['u']) return usageAndExit()
const required = ['file']
required.forEach(opt => {
if (!options[opt]) return usageAndExit(opt)
})
fs.readFile(options.file, (err, data) => {
if (err) return exit(err)
$ = ch.load(data.toString())
const rows = getRows($)
// Row 0 is the header, so start at row 1.
for (let i = 1; i === 1/* TODO restore me !!rows[i] */; i++) {
parseRow(rows[i])
}
})
}
function parseRow (row) {
const cells = $(row).find('td')
const nation = $(cells[0])
console.log(nation.children ? Array.isArray(nation.children) : 'no children')
console.log(buildTextDeep(nation))
}
function getRows ($) {
return $('table').find('table').find('tr')
}
function buildTextDeep (el) {
el = $(el)
const result = el.text()
let text = ''
for (let i = 0; el.children[i]; i++) {
const child = el.children[i]
text += buildTextDeep(child)
}
return `${result} ${text}`
}
function usageAndExit (missingOpt) {
usage()
if (missingOpt) {
console.log(`Option "missingOpt" is required.`)
}
process.exit(missingOpt ? 1 : 0)
}
function usage () {
console.log(`Usage: node parse.js --file`)
}
function exit (err) {
if (err) console.error(err.message)
process.exit(err.message ? 1 : 0)
}