Problem to download Document/Attachments

jsforce = require(“jsforce”) conn = new jsforce.Connection({}) conn.login ‘username’, ‘password’, (err, userInfo) -> return console.error(err) if err

# Now you can get the access token and instance URL information.
# Save them to establish connection next time.
console.log "Access Token: "+conn.accessToken
#console.log conn.instanceUrl

# logged in user property
console.log "User ID: " + userInfo.id
console.log "Org ID: " + userInfo.organizationId
fs = require "fs" 
fileOut = fs.createWriteStream('./test.pdf') 
docId = 'documentID' 
conn.sobject('Document').record(docId).blob('Body').pipe(fileOut)

[stomita]

The code presented here is the right way to download document/attachment blob body to download to Node.js application. If you have error it should be raised in pipe stream.

Try following:

conn.sobject('Document').record(docId).blob('Body').pipe(fileOut)
  .on "error", (err) -> console.error err

[mayankagarwal900]

The code is working fine. but when my attachments in salesforce is very large than how much time will this request will wait.