UNIX for Dummies Questions & Answers

Hi all,

im newbie in unix, i have a case like this

file name : RegisterSubscriber.log

file value :

<errId>0x0509000000000003</errId><HARs><ok/><affectEntity>510890905290059</affectEntity></HLRes></HRI>

I want to grep the line which contain 0x0509000000000003,
and i want to grep the word between <affectEntity></affectEntity>
that is 510890905290059,

can some one tell me how to doit, i try to use grep but all i got is the whole line

please need your expert advice

Code:

echo '<errId>0x0509000000000003</errId><HARs><ok/><affectEntity>510890905290059</affectEntity></HLRes></HRI>' | sed 's#.*<affectEntity>\(.*\)</affectEntity>.*#\1#'

wow thanks, its works after i modify some of the code.

thanks