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- #!/usr/bin/env node
- 'use strict';
- var fs = require('fs');
- var zlib = require('zlib');
- var concat = require('concat-stream');
- var pkg = require('./package.json');
- var argv = process.argv.slice(2);
- var input = argv[0];
- function help() {
- console.log([
- '',
- ' ' + pkg.description,
- '',
- ' Usage',
- ' gzip-size <file>',
- ' cat <file> | gzip-size',
- '',
- ' Example',
- ' gzip-size index.js',
- ' 211'
- ].join('\n'));
- }
- function report(data) {
- console.log(data.length);
- }
- if (argv.indexOf('--help') !== -1) {
- help();
- return;
- }
- if (argv.indexOf('--version') !== -1) {
- console.log(pkg.version);
- return;
- }
- if (process.stdin.isTTY) {
- if (!input) {
- help();
- return;
- }
- fs.createReadStream(input).pipe(zlib.createGzip()).pipe(concat(report));
- } else {
- process.stdin.pipe(zlib.createGzip()).pipe(concat(report));
- }
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