export selected documents in mongodb collection code example

Example 1: mongodb export entire database

// EXPORT
mongodump -d  -o 
// IMPORT
mongorestore -d  

Example 2: mongoexport csv with query

mongoexport -d database -c collection --type=csv --out file.csv --fields name,fromHour,fromMin,toHour,toMin --query '{"_id":"56a647bff167043ad6ee49c0"}'