How to Count the Number of Columns in AWK

<P>Open a terminal. On Windows, click "Start," select "Run" and type "cmd." On Mac OS X, press "Cmd-Space" and type "Terminal." On Linux or Unix, a terminal icon is located somewhere on the desktop or menu bar.</P><P>Type the following command: </P><P>awk '{print NF}'</P><P>"NF" stands for "Number of Fields," and typing this command will take you to a prompt where you can type some information. As soon as you hit enter, AWK will tell you how many fields (in this case, words) your information contains.</P><P>Type the following to have awk perform the same function on the contents of a text file:</P><P>awk '{print NF}' < textfile.txt</P><P>Replace "textfile.txt" with a real text file.</P>

How to Count the Number of Columns in AWK

Open a terminal. On Windows, click "Start," select "Run" and type "cmd." On Mac OS X, press "Cmd-Space...

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