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docker-mailserver/target/bin/listmailuser
2020-05-06 22:59:55 +02:00

19 lines
414 B
Bash
Executable File

#! /bin/bash
DATABASE=${DATABASE:-/tmp/docker-mailserver/postfix-accounts.cf}
errex() {
echo "$@" 1>&2
exit 1
}
[ -f $DATABASE ] || errex "No postfix-accounts.cf file"
[ -s $DATABASE ] || errex "Empty postfix-accounts.cf - no users have been added"
# Lock database even though we are only reading
(
flock -e 200
(grep -v "^\s*$\|^\s*\#" "$DATABASE" || true) | awk -F '|' '{ print $1; }'
) 200<$DATABASE