Re: File handling

Ok doing this by readln at the moment so this has advantages. but then how
do i approach the problem of stripping the integers out of the line and
using them as co-ordinates on a canvas?

by the way thanks for your response


"J French" <erewhon@xxxxxxxxxx> wrote in message
news:42e0a714.8512209@xxxxxxxxxxxxxxxxxxxxxxx
> On Fri, 22 Jul 2005 07:10:38 GMT, "Loonie" <no@xxxxxx> wrote:
>
>>I am trying to learn Delphi7,and have come to my next hurdle. I am trying
>>to read a text file of G codes, that i want to draw onto a canvas. The
>>trouble is i'm not sure of the best approach. The file is in the format
>>
>>Gstart
>>G0X0Y0
>>G1X100Y100
>>G0X300Y500
>>G1X300Y800
>>etc etc
>>GEnd *End of G codes*
>>
>>The G0 instruction is move to position, the G1 is a cut to some position.
>>Now i have in place a way of reading the file line by line and adding it
>>to
>>a memo,with a button click. What i would like to do is draw the line as
>>it
>>is added, and eventually automate the process. I know i have to read
>>through the line and find the Integers for X and Y, But how? And would it
>>be better to read the whole file first or take the line by line approach.
>
> This sounds a pretty strong contender for a TStringList
>
> Have a look at: TStringList.LoadFromFile
>
> It will load the whole lot in one go into a TStringList, you can then
> get each line with:
> AStringList.Strings[ Index ]


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