Gets a specific MIME header from the current stream if such a header exists; otherwise, it returns the value of the default argument.
Signature
get-mime-header(s:stream, key:string, default:string="") -> string |
Parameters
Name |
Type |
Description |
|---|---|---|
s |
stream |
Specifies the input stream. |
key |
string |
The key from the key-value pair that forms the header. |
default |
string |
Specifies the default value to return. By default, this is an empty string. |
Examples
Assuming that stream msg contains the header Content-Disposition: attachment; filename="GETMSG.edi", the following expression will return attachment; filename=\"GETMSG.edi\":
get-mime-header(msg, "Content-Disposition", "") |
In this example, if the stream does not have the "Content-Disposition" header, the expression above will return an empty string (the value of the third argument).
