gistfile1.sh

kieffer@Roberts-MacBook-Pro$ node -e "require('express')"  # i.e. express not installed

module.js:340
    throw err;
          ^
Error: Cannot find module 'express'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at [eval]:1:1
    at Object.<anonymous> ([eval]-wrapper:6:22)
    at Module._compile (module.js:456:26)
    at evalScript (node.js:536:25)
    at startup (node.js:80:7)
    at node.js:906:3

kieffer@Roberts-MacBook-Pro$ node -v
v0.10.32

kieffer@Roberts-MacBook-Pro$ npm -v
1.4.28

kieffer@Roberts-MacBook-Pro$ npm install -g express  # install express globally
[email protected] /Users/kieffer/local/node/lib/node_modules/express
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected]
├── [email protected] ([email protected])
├── [email protected] ([email protected])
├── [email protected] ([email protected], [email protected], [email protected])
├── [email protected] ([email protected])
├── [email protected] ([email protected], [email protected])
├── [email protected] ([email protected], [email protected])
└── [email protected] ([email protected], [email protected])

kieffer@Roberts-MacBook-Pro$ node -e "require('express')"  # this should work

kieffer@Roberts-MacBook-Pro$ # it does

kieffer@Roberts-MacBook-Pro$