No arguments accepted.
Description:
This procedure saves a structured (hierarchical) RSF graph file
named "rsf" in the directory specified by the configuration
variable, DBDIR. A warning message is written to stderr to indicate
where the file is being saved:
"saving RSF file from node Root into file <
fileSpecification>"
Return Value:
None.
Exceptions:
If the file specification is incorrect, an error is printed to
stderr.
Example:
# Save a file named /tmp/rsf rcl_env_set DBDIR /tmp rcl_save