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Search for exact string

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# 15  
Old 12-05-2009
Quote:
Originally Posted by gaurav1086
hello
I believe you.. but I just wanted to know that you are putting grep higher on the priority list than awk based on experience working with grep and awk or with reference to their source codes.
Regards.

grep is optimized for searching; awk is not.

In a small file, the overhead of a second process may outweigh that efficiency; in a large file, the difference will be noticeable.
# 16  
Old 12-05-2009
hello ..
thanks for the info.. I will put this hypothesis to test.
thanks. again.
# 17  
Old 12-05-2009
Quote:
Originally Posted by cfajohnson

The use of awk and grep together is recommended by the authors of the language in their book, The AWK Programming Language:

"If you have to search a big file to isolate a small amount of data, use grep or egrep for the searching and awk for the processing."


In the original post the pipe was from awk to grep
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