[aclug-L] a dump grep question

[Maverick <mluvw47@xxxxxxxxx>]

Hi, all
  I have file testfile, and I want to get the exactly
occurance on the same line.
//testfile
111 ABC DEF IJK PPP
111 XTS XXX XXX XXX
222 MNO PRQ STU PPP
333 ... ... ... 111 
444 ... ... ... PPP

I only interest in grep the line contain
111 and PPP. 
I don't know it is possible using grep or egrep to do
it?

#grep -w "111" & "PPP" testfile <-- error 
111 ABC DEF IJK PPP <--- I want this output           


I know that egrep support "|" (boolean or) to grep,
but I don't know it support "&"(boolean and). Please
help.
Thanks.

Regards,
Mav










 I don't know I can do 

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