Inputs value into the MyLake config file by locating the label and key within the file.
Arguments
- file
filepath; to R object (loaded Rdata file)
- label
string; which corresponds to section where the key is located
- key
string; name of key in which to extract the value
- value
string; name of key in which to extract the value
- out_file
filepath; to write the output config file (optional); defaults to overwriting file if not specified