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Alex Rivera
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Suppose I have a text file with data separated by whitespace into columns. I want to write a shell script which takes as input a filename and a number N and prints out only that column. With awk I can do the following: awk < /tmp/in '{print $2}' > /tmp/out This code prints out the second column. But how would one wrap that in a shell script so that a arbitrary column could be passed in argv?
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