lua读写文件

cpFile.lua

 1 function copyfile(source, destination)

 2 sourcefile = io.open(source,"r")

 3 assert(sourcefile)

 4 destinationfile = io.open(destination,"w")

 5 assert(destinationfile)

 6 for line in sourcefile:lines() do

 7 print(line)

 8 destinationfile:write(line)

 9 destinationfile:write("\n")

10 end

11 sourcefile:close()

12 destinationfile:close()

13 end

test.lua

1 dofile("./cpFile.lua")

2 copyfile("./test.txt", "dest.txt")