On 03/04/2019 00:35, Daniel Kasak via gtk-perl-list wrote: > Hi all. I'm trying to adapt some code I have for tailing the output of > an app. When I fork using open() ... things work ( I have some issues > with tail never exiting, but that's to be expected ). When I open a > filehandle for reading these redirected log files however, my callback > I passed to add_watch() gets called in a busy loop, and nothing else > happens. I assume I'm just doing something simple wrong? What is that > thing? :) Thanks ...
The _watch_cmd() sub in gscan2pdf does what you want - uses Glib::IO->add_watch() on stdout and stderr and triggers a callback on every line read: https://sourceforge.net/p/gscan2pdf/code/ci/master/tree/lib/Gscan2pdf/Frontend/CLI.pm#l504 Regards Jeff
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