@evalalways:=bc4 = Exists("/programfiles/Beyond Compare 4/BCompare.exe");
@evalalways:=bc5 = Exists("/programfiles/Beyond Compare 5/BCompare.exe");
@label:=return (bc5) ? "BC5" : (bc4) ? "BC4" : "No BC";
Details of @evalalways:
- Detailed release notes, Miscellaneous Commands [Directory Opus Manual]
- Reference, Command modifier reference [Directory Opus Manual]