run_cmd && utf8 streams
schmorp at schmorp.de
Fri Jul 6 08:23:39 CEST 2012
On Thu, Jul 05, 2012 at 06:45:34PM -0600, Darin McBride <darin.mcbride at shaw.ca> wrote:
> Is there a recommended way to run commands that might output utf8 streams
> (e.g., Japanese)?
The recommended way, really, is to run them in whatever way you like.
Nowadays, all I/O is done in octets, so thats what you receive.
If you want to convert utf-8 to unicode, you can use Encode::decode to
convert utf-8 into unicode codepoints, after gathering all the output in
As for incremental decoding, perl unfortunately doesn't have an interface for
this kind of thing (Encode cannot incrementally encode or decode).
The perlio :encoding layer comes closest (it employs some hacks in more
recent perls), but still cannot decode multibyte data incrementally.
For incremental decoding, your best bet is to implement some state machine
and parse the utf-8 with a regex.
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