Email character set conversion in procmail
Todd Zullinger
tmz at pobox.com
Mon May 22 21:51:05 UTC 2006
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Paul Howarth wrote:
> Does anyone have a procmail recipe for email character set
> conversion? I help to run an email newsletter, where people send in
> contributions that get edited together into a single message that is
> then sent out to all the list members. It would be nice if all of
> the incoming messages were in the same character set (e.g. utf8,
> iso-8859-1, whatever) from the point of view of pasting them into a
> single document, but I haven't been able to find a recipe for doing
> this automatically. Any suggestions?
Something piping the mail through iconv or recode is what I'd think
you want. Here's one I found via google and tweaked a little:
# convert utf to latin (if the subject is translate me)
:0
* ^Subject: translate me$
* ^Content-Type: text/(plain|html); .*charset=.?utf-8
{
:0 fbw
|iconv -f UTF-8 -t ISO-8859-1//TRANSLIT
:0 fhw
* ^Content-Type: text/plain
|formail -c -i "Content-Type: text/plain; charset=ISO-8859-1"
:0 Efhw
* ^Content-Type: text/html
|formail -c -i "Content-Type: text/html; charset=ISO-8859-1"
}
Maybe that'll get you started on a good solution. Or maybe it will
inspire someone that knows much better than I to post a better
solution. :)
It's probably better to go in the other direction, from latin to utf,
as there are bound to be characters in utf that can't get converted to
latin. But I'm not a charset guru so it's all guesswork for me.
- --
Todd OpenPGP -> KeyID: 0xD654075A | URL: www.pobox.com/~tmz/pgp
======================================================================
Everyone needs to believe in something. I believe I'll have another
beer.
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