Parse .eml files

[Martin Tschierschke]

On Thursday, 12 April 2018 at 00:00:04 UTC, bachmeier wrote:
> On Wednesday, 11 April 2018 at 15:20:08 UTC, Martin 
> Tschierschke wrote:
>
>> My question in the moment is, how do I invoke Thunderbird to 
>> display a certain single mail (or maildir) file?
>> How do I use Thunderbird as the client, to show, to answer or 
>> to forward these mails.
>> An alternative would be to use a browser based mailer? 
>> Handling all attachments is an other purpose.
>
> Can you use executeShell and call Thunderbird from the command 
> line? Something like
>
> executeShell("thunderbird -compose \"subject='My Christmas 
> Gift',body='Please send me a new car',to='santa at claus.net'")
>
> http://kb.mozillazine.org/Command_line_arguments_%28Thunderbird%29

Thank you, especially for the Link!
There I saw, that attachment with a local file is possible. So It 
should be possible to invoke Thunderbird with the extracted 
elements of an existing email.