shell脚本中调用sql ldr方法

sqlldr newweb/newweb@ora10g36 control=import_mdmc.ctl log=log.log bad=bad.bad errors=1000


import_mdmc.ctl内容：

load data infile 'contentid.txt'
into table mm_tmp_contentid
append
fields terminated by ','
trailing nullcols
(
  contentid
)