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Asked: 2026-05-27T08:25:32+00:00

I am trying to format some data from Mongo into a CSV. One of

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I am trying to format some data from Mongo into a CSV. One of the fields is stored as an ISODate, so when querying Mongo, comes out like this:

... ISODate("2011-11-19T00:23:38.786Z") ...

I have a command like the following:

C:\Mongo\bin\mongoexport --csv -f "DOB","Name","Email" -c People -d PeopleDataStore -h [hostname]

This MongoExport command produces something like the following:

{ "$date" : 1321579509347 },"Bob","test@test.com"

How can I get the date that is the output of MongoExport to come out like “2011-11-19T00:23:38.786Z”, i.e. not an integer representation, and not wrapped in code structures?

Note that I am attempting to do all this from the command line, not from within an application that could process the results. An application will be my fallback plan.

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1 Answer

  1. Editorial Team

    Don’t think this is possible using just mongoexport on it own, you’ll need to write your own little export script or post-process the date values to convert from the integer (milliseconds since 1 January 1970) to the ISO string format.

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