问一个简单的SHELL，如何把某个字段找出

ABAP/4

如何把  -- 字段所在的行全部删除

处理前

mpathpsfs (3600507680c8081a41800000000000016) dm-2 IBM,2145
size=10G features='1 queue_if_no_path' hwhandler='0' wp=rw
--
mpathafs (3600507680c8081a4180000000000001 dm-3 IBM,2145
size=200G features='1 queue_if_no_path' hwhandler='0' wp=rw
--
mpathbx(3600507680c8081a41800000000000019) dm-90 IBM,2145
size=1.0T features='1 queue_if_no_path' hwhandler='0' wp=rw
--
mpathkm4 (3600507680c8081a41800000000000021) dm-110 IBM,2145
size=1.0T features='1 queue_if_no_path' hwhandler='0' wp=rw
--

处理后


mpathpsfs (3600507680c8081a41800000000000016) dm-2 IBM,2145
size=10G features='1 queue_if_no_path' hwhandler='0' wp=rw
mpathafs (3600507680c8081a4180000000000001 dm-3 IBM,2145
size=200G features='1 queue_if_no_path' hwhandler='0' wp=rw
mpathbx(3600507680c8081a41800000000000019) dm-90 IBM,2145
size=1.0T features='1 queue_if_no_path' hwhandler='0' wp=rw
mpathkm4 (3600507680c8081a41800000000000021) dm-110 IBM,2145
size=1.0T features='1 queue_if_no_path' hwhandler='0' wp=rw

csccyab

$ sed '/--/d' file
mpathpsfs (3600507680c8081a41800000000000016) dm-2 IBM,2145
size=10G features='1 queue_if_no_path' hwhandler='0' wp=rw
mpathafs (3600507680c8081a4180000000000001 dm-3 IBM,2145
size=200G features='1 queue_if_no_path' hwhandler='0' wp=rw
mpathbx(3600507680c8081a41800000000000019) dm-90 IBM,2145
size=1.0T features='1 queue_if_no_path' hwhandler='0' wp=rw
mpathkm4 (3600507680c8081a41800000000000021) dm-110 IBM,2145
size=1.0T features='1 queue_if_no_path' hwhandler='0' wp=rw

j_cle

楼上正解，