System$parseDebian: Parses a string, file or connection for Debian formatted parameters
Description
Parses a text, file or a connection for Debian formatted parameters.
A file in Debian format contains rows with parameters of the form
KEY=VALUE. It is allowed to have duplicated keys.
Usage
## Static method (use this):
## System$parseDebian(text=NULL, file=NULL, keys=NULL, ...)
## Don't use the below:
## S3 method for class 'System':
parseDebian(this, text=NULL, file=NULL, keys=NULL, ...)