#!/opt/alt/alt-nodejs8/root/usr/bin/node var errno = require('./') , arg = process.argv[2] , data, code if (arg === undefined) { console.log(JSON.stringify(errno.code, null, 2)) process.exit(0) } if ((code = +arg) == arg) data = errno.errno[code] else data = errno.code[arg] || errno.code[arg.toUpperCase()] if (data) console.log(JSON.stringify(data, null, 2)) else { console.error('No such errno/code: "' + arg + '"') process.exit(1) }