Dumps all variables in the current scope either to the specified file
filename (new data is appended) or to
STDOUT if you omit filename. The format of
the data is, with one variable per line:
Name=MYVAR, Value='This is the content of MYVAR'
Parameter:
filename
The name of the file to which variables are appended. The dump is
written to STDOUT if you omit this parameter.
