I don't know about IE, but in Netscape (on Linux), you specify how you want the helper called using tokens like %s or %u to signify either the local temp file name that was saved, or the url that the helper app should contact.

ie: for text/xml, I have this... 

    text/xml    Eterm -e less "%s"

[download]

and for streaming Real files i have this... 

    audio/x-realaudio    realplay "%u"

[download]

In reply to Re: perl as a 'helper app' to IE or NS - how to get data? by hossman
in thread perl as a 'helper app' to IE or NS - how to get data? by djinn

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