Copy entries from a source .env file to a destination .env file, but only for the keys specified in keepKeys. Will also modify entries in the destination .env file as specified in modifyEntries.
The path to the source .env file
The path to the destination .env file
The keys to keep from the source .env file
Optional
The entries to modify in the destination .env file
Copy entries from a source .env file to a destination .env file, but only for the keys specified in keepKeys. Will also modify entries in the destination .env file as specified in modifyEntries.