Reading open files

I wrote a program in Delphi2 that needs to read data that has been appended to the executable of this program. It is not able to read data from the executable when it's running. I guess this is because the file is open and denies any access to itself. Is there any workaround for this?
As far as I remember this has been possible with Pascal in DOS...
LVL 1
tierAsked:
Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

mheacockCommented:
This may or may not work...but you might try copying it to
a temporary directory, reading from it, then deleting it.

My guess is that it won't work (in which case reject my answer),
but it is worth a try.
0

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
tierAuthor Commented:
No, this does not work...
0
mheacockCommented:
This should work:

    Use the Win32 API function CreateFile as follows:

     //open main file
    handle := CreateFile(pchar(exepath), generic_read,
                         file_share_read, nil, open_existing,
                         FILE_ATTRIBUTE_NORMAL, 0);

where "exepath" is an ansistring containing the path to the executable you wish you open.
0
slpCommented:
I'm curious as to how you appended the data to the executable.  One "Windows approved" way of doing something like this that is supported by the API is to add your data as a resource, then you don't have to worry about finding the file, file locking, sharing violations or anything else of the sort.

SLP

0
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Delphi

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.