86 lines
1.3 KiB
JavaScript
Executable File
86 lines
1.3 KiB
JavaScript
Executable File
#!/usr/bin/env node
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(function () {
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"use strict";
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var fs = require('fs')
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, filename = process.argv[2]
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, YAML = require('./index')
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;
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/*
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*
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* Begin real handler
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*
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*/
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function printUsage() {
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console.warn("Usages:");
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console.warn("json2yaml example.json");
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console.warn("cat example.json | json2yaml");
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}
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function handleInput(err, text) {
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var data
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;
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if (err) {
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printUsage();
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return;
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}
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data = JSON.parse(text);
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console.info(YAML.stringify(data, null, ' '));
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}
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/*
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*
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* End real handler
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*
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*/
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readInput(handleInput, filename);
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//
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// this could (and probably should) be its own module
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//
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function readInput(cb, filename) {
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function readFile() {
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fs.readFile(filename, 'utf8', function (err, text) {
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if (err) {
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console.error("[ERROR] couldn't read from '" + filename + "':");
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console.error(err.message);
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return;
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}
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cb(err, text);
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});
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}
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function readStdin() {
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var text = ''
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, stdin = process.stdin
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;
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stdin.resume();
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stdin.on('data', function (chunk) {
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text += chunk;
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});
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stdin.on('end', function () {
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cb(null, text);
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});
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}
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if (filename) {
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readFile();
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}
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else {
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readStdin();
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}
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}
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}());
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