Question re ns_return

[Thorpe Mayes]

Hi,

I am trying to send multiple files in sequence using ns_return. Only the last file is being sent. 


I have a directory with n files in it, each with a unique name (file_1, file_2, ...)

I am looping through n one step at a time (1, 2, ...)

Here is the code I am using to send the files:


# create and save file to location, then 
set fd [open $current_file]
ns_return 200 application/vnd.ms-excel [read $fd]
close $fd

where current_file is the location of file_n

These files are created dynamically - one at a time with the attempted download happening right after the file is created and saved.

The only file that gets sent is the last file that was created. 

All the files are created and are different. 

I am certainly missing something obvious. Can anyone point me to a solution?

Thanks,

Thorpe

Thorpe Mayes

tma...@ecognizant.com

405.310.8092 (skype)

405.514-9753 (cell)

[Bernhard van Woerden]

You need to return a multipart document like this

http://stackoverflow.com/questions/1041542/how-to-download-multiple-files-with-one-http-request

You might want to use base64 encoding for each body because writing out the binary correctly can be tricky although I've not tried in this particular case.

Also need to use fconfigure to tell Tcl to set translation to binary.

set fhandle [open $filename r]

fconfigure $fhandle -translation binary

set base64 [::base64::encode [read $fhandle]]

close $fhandle

ns_return will interact with your AOLserver configured output encoding settings so not a good idea to use with binary data.

ns_returnfile will do what you want for one file.

--

Bernhard van Woerden

Qcode Software Limited

www.qcode.co.uk
T 01463 896 481

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