[root@www ~]# cat 123.txt
JDBC.URL=jdbc:oracle:thin:@127.0.0.1:1521:orcl
DBC.URL=jdbc:oracle:thin:@127.0.0.1:1521:orcl
DC.URL=jdbc:oracle:thin:@127.0.0.1:1521:orcl
[root@www ~]# echo "`cat 123.txt |grep -i ^jdbc.url | awk -F "=" '{print $2}'`1234567890"
jdbc:oracle:thin:@127.0.0.1:1521:orcl1234567890
[root@www ~]# echo "`awk 'BEGIN {FS="="} {IGNORECASE=1} /^jdbc.url/ {print $2}' 123.txt`1234567890"
jdbc:oracle:thin:@127.0.0.1:1521:orcl1234567890