Saving files from post data via sys.stdin

[ACB]

"ACB" <amy.berry at cox.net> wrote in message 
news:KoE_f.200$Oe2.100 at fed1read07...
>I am rewriting an existing PERL script I wrote several months ago.  It is a 
>script that is used as the action for a form containing several type="file" 
>inputs.  The script is run unbuffered and writes the data from sys.stdin to 
>a file which is stat'ed by another script called asyncornously from 
>javascript.  In the end I am able to make a progress bar for file uploads 
>via http.
>
> Anyway, I have printed sys.stdin to a file and looked at it afterward. 
> This is what is looks like
> -----------------------------126591649570
> Content-Disposition: form-data; name="userid"
>
> myUserid
> -----------------------------126591649570
> Content-Disposition: form-data; name="ulimage"; filename="bc12.jpg"
> Content-Type: image/jpeg
>
> binary data of jpeg
> -----------------------------126591649570
> Content-Disposition: form-data; name="ulimage"; filename=""
> Content-Type: image/jpeg
>
> -----------------------------126591649570
> Content-Disposition: form-data; name="ulimage"; filename=""
> Content-Type: image/jpeg
>
>
> -----------------------------126591649570
> Content-Disposition: form-data; name="sessionid"
>
> mySessionid
>
> Normally, I use cgi.FieldStorage() and access the values via calls like
> form = cgi.FieldStorage()
> sessionid = form["sessionid"].value
>
> What is the best method for accessing the various variables and their 
> respective values so I can save the files one at a time?  Is there some 
> class that can take this input and make it easier to deal with?  I need to 
> save each of the ulimage values as individual images and gain access to 
> the values of sessionid and userid.
>
> Thanks
> Amy
>
>

Any further help is appreciated.   : )