[资源分享]如何在tiptop 4GL程序中判断客户端机器某个文件是否存在

DEFINE cmd STRING
DEFINE ok BOOLEAN
#检查客户端某个文件是否存在  
LET filename ='c:/test.txt'
LET cmd = SFMT('cmd /C "if exist %1 (exit 0) else (exit 1)"',filename)
CALL ui.Interface.frontCall("standard","execute",[cmd,1],[ok])
RETURN ok