Posts Tagged ‘json’

Remove an _id field from a mongoexport json document

Although the mongoexport tool has a –fields option it will always include the _id field by default. You can remove this with a simple line of sed. This was slightly modified from this sed expression. Given the following data… {“_id”:{“$oid”:”57dd2809beed91a333ebe7d1″},”a”:”Rhys”} {“_id”:{“$oid”:”57dd2810beed91a333ebe7d2″},”a”:”James”} {“_id”:{“$oid”:”57dd2815beed91a333ebe7d3″},”a”:”Campbell”} This command-line expression will export and munge the data… mongoexport –authenticationDatabase admin –db test […]