Broadened CPC data disk analysis to spot when there is only one implicitly-runnable file, rather than only one without suffix.
Broadened CPC data disk analysis to spot when there is only one implicitly-runnable file, rather than only one without suffix.

TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK,TomHarte/CLK