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04-02-2008
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Need help in extracting columns
Hi ,
I have a file having around 8 columns spereated by space . Now that I need to extract columns from this. The problem is this functionality is needed in a script and the required columns are dynamic and can range from 2 columns to 8 columns at a time . What I tried without luck is If I could get the required column numbers in a variable in the below format var_col="1\" \"\$2\" \"\$3" awk -v awkvar=$var_col '{print $awkvar}' here I expected to print the 1st,2nd and 3rd cols seprated by a space.But this did not work. Can somebody help me out here please ? |
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