Originally Posted by LKBrwn_DBA
That statement finds all files named "x" in the current directory tree and "pipes" the name to grep as an argument.
Use this better:
Code:- find . -name "x" -exec grep -i "topic" {} \;
Copy Code 
not necessary. -exec executes grep for each matched file. some other experiences
find . -name "x" | xargs grep -i "topic" |