samples: new file recipie

Author: wdavidw

CHANGELOG.md

@@ -10,6 +10,11 @@
 * promise: new API module
 * errors: finish normalisation of all errors
 
+## Trunk
+
+Project management:
+* samples: new file recipie
+
 ## Version 4.9.1
 
 Minor improvements:

samples/recipies.file.js

@@ -0,0 +1,22 @@
+
+const os = require('os');
+const fs = require('fs').promises;
+const parse = require('../lib/sync');
+
+(async function(){
+  // Prepare the dataset
+  await fs.writeFile(`${os.tmpdir()}/input.csv`, [
+    '\ufeff', // BOM
+    'a,1\n',  // First record
+    'b,2\n'  // Second record
+  ].join(''), {encoding: 'utf8'})
+  // Read the content
+  const content = await fs.readFile(`${os.tmpdir()}/input.csv`)
+  // Parse the CSV content
+  const records = parse(content)
+  // Print records to the console
+  // records.map( record => console.log(record) )
+  // Write a file with one JSON per line for each record
+  json = records.map( JSON.stringify ).join('\n')
+  fs.writeFile(`${os.tmpdir()}/output.csv`, json)
+})()