【Teradata DSQL】获取env中的用户和口令到变量中（无需落地到文件中）

##Get database user and pass
logon_file=logon.env
pass_ret=`echo "select '\\$TD_USER' as MYUSER, '\\$TD_PASS' as MYPASS;"|dsql -c ${logon_file}`
td_user=`echo "$pass_ret"|grep "MYUSER"|grep "="|awk -F "=" '{print $2}'`
td_pass=`echo "$pass_ret"|grep "MYPASS"|grep "="|awk -F "=" '{print $2}'`