Get output of mongo shell script

Question

as a part of my mongoDB maintenance I'm running mongo shell and make it to load 2 scripts. The command I'm running looks like follows:

$MONGO_HOME/bin/mongo --verbose --port 27017 replSetConfig.js initializeReplicaSet.js

The output I got is:

MongoDB shell version: 2.2.3
Thu Mar  7 03:00:00 versionCmpTest passed
Thu Mar  7 03:00:00 versionArrayTest passed connecting to: 127.0.0.1:27017/test
Thu Mar  7 03:00:01 creating new connection to:127.0.0.1:27017
Thu Mar  7 03:00:01 BackgroundJob starting: ConnectBG
Thu Mar  7 03:00:01 connected connection!
loading file: js/replSet.config.js
loading file: js/initializeReplicaSet.js

I'm redirecting the output to a log file but I would like to see some output of the loaded scripts as well. I.e. the output which I see in the shell if I start it and call load("...") for the very same scripts. Is there a way how to capture the output?

Thanks

I guess I didnt get the question right. But I use printjson() within the mongoscript files for logging. — Venkat Kotra
– Venkat Kotra, Commented Mar 7, 2013 at 11:02
It looks like it'll be where I'll end up ... It is suitable for some situations but I don't see how would I log e.g. the rs.intitate() command which I'm calling in the script ... ? This is what I'm calling in the script and I don't see a way how to get the result. I can log rs.status() after the command but in won't tell WHY it failed (if it failed) — Jan Zyka
– Jan Zyka, Commented Mar 7, 2013 at 11:05
To get the output of a script you must specify print() or printjson() statements otherwise MongoDB will stay silent. — Sammaye
– Sammaye, Commented Mar 7, 2013 at 11:39

Sammaye · Accepted Answer · 2013-03-07 11:41:11Z

15

To add output of scripts you must use print() or printjson() statements otherwise MongoDB will remain quiet about any output of a script.

answered Mar 7, 2013 at 11:41

Sammaye

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1 Comment

Jan Zyka Over a year ago

Ha, found that you can actually do printjson( rs.initiate(config) ); for example so this is actually what I was looking for.

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