open (DATEI,"); close (DATEI); foreach $zeile (@datei) { ($id,$mail) = split (/\|/, $zeile); #$mail =~ s/\n//g; my $dbh = DBI->connect("dbi:mysql:$dbank:localhost","$dbuser","$dbpass"); $sth = $dbh->prepare( "UPDATE dbsystem2 SET mail=\"$mail\" WHERE id='$id' LIMIT 1"); $sth->execute();   my $rc = $dbh->disconnect;    #schließen }