Matthew Margolis
1/30/2005 11:56:00 AM
Please ignore this message. I sent it to the list almost two days ago
and for some reason delivery was delayed a day. I have figured out my
problem.
Thank you,
Matthew Margolis
Matthew Margolis wrote:
> What would be the best way to check if a user enters a value into a form
> using ruby cgi?
>
> I have some code that should only run if the user is uploading a file
> but nil tests and key tests don't seem to prevent the code from
> executing even if they don't upload anything.
>
> two things I have tried(that didn't work) can be found below. Perhaps I
> am missing something obvious?
>
> if cgi.has_key?('upload')
> #stuff to do if there is an image to upload
> end
>
> unless cgi.params['upload'].first.nil?
> #stuff to do if there is an image to upload
> end
>
>
> Here is the form itself
> --------------------
> <FORM ENCTYPE="multipart/form-data" action="imageadmin.rb"
> method="post">
> <%imageArray.length.times do |count|%>
> <img src="<%=imageArray[count]%>">
> <BR />
> Comment:<input type="text" name="comment"
> value="<%=commentArray[count]%>">
> <BR />
> Number:<input type="text" name="order"
> value="<%=imageArray[count][0..2] %>">
> <BR />
> Delete:<input type="checkbox" name="delete"
> value="<%=imageArray[count]%>">
> <BR />
> <%end%>
> <BR />
> <BR />
> <input type="file" name="upload"> Comment:<input type="text"
> name="uploadcomment" value="">
>
> <BR />
> <input type="submit" value="Submit">
> </FORM>
> ----------------------------
>
>
> Thank you,
> Matthew Margolis
>
>