Scheme In A Grid
Can Your Spreadsheet Do This?
External programs can be used to load and store data. Loading
is done by calling the program, redirecting its output to
a file and loading the file. Saving is done by saving to
a temporary file and calling the external program which reads
the file from stdin.
As a trivial example, cat can be used to load local files.
As a more useful example, httpget can be used to load
a file from a web server.
The external program dialog