awk '/ä/ && /4027992000005/' * | grep ä
bzcat 22:00-postgresql_database-ch_oddb-backup.bz2 | sudo -u postgres /usr/local/pg-10_1/bin/psql -p 5433 ch_oddb
pavucontrol
does not show any devices just do
pulseaudio -k
to kill all pulseaudio instances.
grep -E -o "\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}\b" file.txt