| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 | #!/usr/bin/env nodevar assert = require('assert');function usage() {  console.log('Usage:');  console.log('  uuid');  console.log('  uuid v1');  console.log('  uuid v3 <name> <namespace uuid>');  console.log('  uuid v4');  console.log('  uuid v5 <name> <namespace uuid>');  console.log('  uuid --help');  console.log('\nNote: <namespace uuid> may be "URL" or "DNS" to use the corresponding UUIDs defined by RFC4122');}var args = process.argv.slice(2);if (args.indexOf('--help') >= 0) {  usage();  process.exit(0);}var version = args.shift() || 'v4';switch (version) {  case 'v1':    var uuidV1 = require('../v1');    console.log(uuidV1());    break;  case 'v3':    var uuidV3 = require('../v3');    var name = args.shift();    var namespace = args.shift();    assert(name != null, 'v3 name not specified');    assert(namespace != null, 'v3 namespace not specified');    if (namespace == 'URL') namespace = uuidV3.URL;    if (namespace == 'DNS') namespace = uuidV3.DNS;    console.log(uuidV3(name, namespace));    break;  case 'v4':    var uuidV4 = require('../v4');    console.log(uuidV4());    break;  case 'v5':    var uuidV5 = require('../v5');    var name = args.shift();    var namespace = args.shift();    assert(name != null, 'v5 name not specified');    assert(namespace != null, 'v5 namespace not specified');    if (namespace == 'URL') namespace = uuidV5.URL;    if (namespace == 'DNS') namespace = uuidV5.DNS;    console.log(uuidV5(name, namespace));    break;  default:    usage();    process.exit(1);}
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