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

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# 1  
Old 11-23-2013
Use less pipe for grep or awk sed to print the line not include xx yy zz
Code:
cat file |grep -v "xx" | grep -v "yy" |grep -v "zz"

# 2  
Old 11-23-2013
Quote:
Originally Posted by yanglei_fage
Code:
cat file |grep -v "xx" | grep -v "yy" |grep -v "zz"

Try:
Code:
grep -E -v 'xx|yy|zz' file

# 3  
Old 11-23-2013
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  
Old 11-23-2013
Here's an awk solution:
Code:
awk '!/xx|yy|zz/' file

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