CC commentToFile function

function stringDel(source,delString)
local stringPos={string.find(source,delString)}
source=string.sub(source,1,stringPos[1]-1)..string.sub(source,stringPos[2]+1)
return(source)
end

function commentToFile(fileName)
txt=fs.open(fileName,'r').readAll()
while string.find(txt,'--[$') do
str1={string.find(txt,'--[$')}
txt=stringDel(txt,'--[$')
str2={string.find(txt,'$')}
newFile=string.sub(txt,str1[1],str2[1]-1)
stringDel(txt,newFile..'$')
str3={string.find(txt,'$'..newFile..'$')}
result=string.sub(txt,str1[1],str3[1]-1)
fp=fs.open(fileName,'w')
fp.write(result)
fp.close()
end
end