awk使用实例一则

$META_DB -N -e "use web_boss_rainbow;
select iDsId, sDbname, sHost, sPort, sNameServiceKey,sDriver from t_boss_v2_page_datasource;">${sDataFile}
sed -i ‘s/\t/,/g‘ ${sDataFile}
:>${loadFn}
i=1
while read line
do
    ((i++))
iDsId=`echo $line|awk -F ‘,‘ ‘{print $1}‘`
sDbname=`echo $line|awk -F ‘,‘ ‘{print $2}‘`
sHost=`echo $line|awk -F ‘,‘ ‘{print $3}‘`
sPort=`echo $line|awk -F ‘,‘ ‘{print $4}‘`
sNameServiceKey=`echo $line|awk -F ‘,‘ ‘{print $5}‘`
sDriver=`echo $line|awk -F ‘,‘ ‘{print $6}‘`

if [ -n "$sNameServiceKey" ]; then
    zkname $sNameServiceKey |awk  ‘{print iDsId","sDbname","$1","$2}‘ iDsId="$iDsId" sDbname="$sDbname">>${loadFn}
else
    echo $iDsId","$sDbname","$sHost","$sPort>>${loadFn}
#直接用awk向文件中写入不成功，用echo写入文件
#   awk ‘{print iDsId","sDbname","sHost","sPort}‘ iDsId="$iDsId" sDbname="$sDbname" sHost="$sHost" sPort="$sPort">>${loadFn}
fi
done <${sDataFile}