mongoexport:tldr:4f3ae
This command is used to export data from a MongoDB collection to a CSV file.
Here's a breakdown of each component of the command:
-
mongoexport: This is the command-line utility for exporting data from MongoDB. -
--collection=${collection_name}: Specifies the collection from which the data will be exported. You need to replace${collection_name}with the actual name of the collection. -
--type=${csv}: Specifies the format of the output file. In this case, it is set to CSV.${csv}should be replaced with the actual value "csv". -
--fields="${field1,field2,---}": Specifies the fields to be included in the exported data. You need to replace"${field1,field2,---}"with the actual fields you want, separated by commas. -
--queryFile=${filename}: Specifies a file that contains the query to filter the data. The${filename}should be replaced with the actual name of the query file. -
--noHeaderLine: This flag indicates that the CSV file should not include a header line with the field names. -
--out=${filename-csv}: Specifies the output file name and destination. Replace${filename-csv}with the desired name and file path for the CSV file.
In summary, this command exports data from a MongoDB collection named ${collection_name} to a CSV file ${filename-csv}. The exported data will only include the fields specified in "${field1,field2,---}", and any filtering can be performed using the query stored in the ${filename} query file.