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CGI "download" button!!

Posted on 2002-06-18
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Last Modified: 2013-12-25
I have a CGI form (written in Perl) that has a "button".
When this button is pressed, it should let user (client),
download a file (without opening the file) from the server
to the client's computer.
I know the location in server from where the user will
download the file. User (client) should get a dialog box
(after pressing the button) and will be prompted to
store the file in their location of choice in their computer.

How do I do this?please help.
-tooki
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Question by:tooki
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lexxwern earned 50 total points
ID: 7093079
when in perl you include the html download..

it would be like this
print qq(
<input type="button"/>
);


replace your html with this

<input type="button" onclick="window.location='download.zip'"/>


here i have used javascript to start the download.
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Expert Comment

by:lexxwern
ID: 7093081
lets the browser handle what the user sees for download.
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Author Comment

by:tooki
ID: 7094526
Thanks lexxwern,
<input type="button" click="window.location='download.zip'"/>

This works but the browser tries to open the file, and the file I need user(client) to download is a text file (.txt) and with above code, the text file opens up on the browser!
Any other way that it will directly go to "Save As" option to the user?
thanks.-tooki
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LVL 12

Expert Comment

by:lexxwern
ID: 7094549
the safest method would be to change the extension of the file to something else and ask the downloader to open in notepad.

or you can ask you host to change the mime types. i bet he will refuse.
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LVL 11

Expert Comment

by:mouatts
ID: 7098063
No you don't change the file type or the mime-type on the server, you change the mime-type on the response.

Basically your cgi must output the following headers

content-type: application/octet-stream
content-disposition: filename=myfile.txt

HTH
Steve
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