how to grep one string occuring multiple times from same file

Question

I want to capture a string 1 row affected... But problem is there are no of such string present in the same file.

My concern to capture 1 row affecte

Answer 1

perl -e 'while (<>) { if (/job completed successfully/) { $flag=1; } elsif (/1 row affected/) { print; } else { $flag=0; } }'