bug#42963: sed clean my file

[杨公所]

Dear sir:
 
          I exec sed -iBAK "s/bms_address=\".*\" 
server_name/bms_address=\"$LOCALADDR\" server_name/" myfile in my startup 
script , centos7, the script chkconfig --add;  but it often clean myfile


          I don't know why? Can you help me.


         best wishes to you. Look forward to your reply












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