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open SQLPLUS, "|sqlplus -S $USERPASS\@$SID >/dev/null" or die "Execute sqlplus error!\n";
  print SQLPLUS "set feedback off\nset sqlnumber off\n";
  print SQLPLUS "set pagesize 0\nset linesize $linesize\n";
  print SQLPLUS "set trimspool on\nset sqlblanklines on\n";
  print SQLPLUS "set numwidth 50\nspool $table.unl\n";
  print SQLPLUS "select $fields from $table ;\n"; //
  close SQLPLUS or die "Execute sql error!\n";

20000000003|4917610000020|1|None|None|None|None|0|0|
20000000001|4917610000000|1|3|2|2|2|1|1|
20000000002|4917610000010|1|3|1|1|1|1|1|

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print SQLPLUS "select $fields from $table ;\n"; // 
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print SQLPLUS "select $fields from $table ;\n"; // 

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