Use less pipe for grep or awk sed to print the line not include xx yy zz

Shell Programming and Scripting
1 
cat file |grep -v "xx" | grep -v "yy" |grep -v "zz"
2

Try:

grep -E -v 'xx|yy|zz' file
3

Admitting that Don Cragun's proposal is by far better/more efficient, there's no reason your sequence of pipes should not work. If you are not happy with its performance, post input and output and tell us what you dislike.

4

Here's an awk solution:

awk '!/xx|yy|zz/' file