6.2. Review

6.2.1. Equality Testing

%  cat datafile
						northwest     NW    Joel   Craig   3.0   .98   3   4
						western       WE    Sharon Kelly   5.3   .97   5   23
						southwest     SW    Chris Foster   2.7   .8    2   18
						southern      SO    May Chin       5.1   .95   4   15
						southeast     SE    Derek Johnson  4.0   .7    4   17
						eastern       EA    Susan Beal     4.4   .84   5   20
						northeast     NE    TJ Nichols     5.1   .94   3   13
						north         NO    Val Shultz     4.5   .89   5   9
						central       CT    Sheri Watson   5.7   .94   5   13
					
Example 6.9.
%  awk '$7 == 5' datafile
						western       WE    Sharon Kelly   5.3  .97  5  23
						eastern       EA    Susan Beal     4.4  .84  5  20
						north         NO    Val Shultz     4.5  .89  5   9
						central       CT    Sheri Watson   5.7  .94  5  13
					

Explanation

If the seventh field ($7) is equal to the number 5, the record is printed.

Example 6.10.
% awk '$2 == "CT" {print $1, $2}' datafile
						central     CT
					

Explanation

If the second field ...

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