awk 函数写法

tid=1235
filename=ab.txt
awk -F '#'  -v rea_id=${tenantid} -v real_filename=${filename}  '{           

    printf("insert into ab (a1, a2, d3, e4, f5, g6) values (")>>real_filename;
    #1-2
    printf("%d,%d,",$1,$2)>> real_filename;
    #3,date
    tmpdate3_1=substr($3,9,2);
    tmpdate3_2=substr($3,6,2);
    tmpdate3_3=substr($3,1,4);
    printf("to_date('"'"'%s-%s-%s'"'"','"'"'dd-mm-yyyy'"'"'),",tmpdate3_1,tmpdate3_2,tmpdate3_3)>> real_filename;
    #varchar
    printf("'"'"'%s'"'"',",$4)>>real_filename;
    printf("'"'"'%s%d'"'"');\n",$5,rea_id)>>real_TS_FEESCENEDEF;   
    #number
    printf("%d,",rea_id)>>real_filename;
}' ab.unl