Aimal Pashtoonmal wrote:
>
> Hi,
Hello,
> I am trying to get the following one liner to work, but the figure
> from the subtraction is printed after column 6 and column 7 and 8 are
> discarded. What I am trying to do is create an extra column
> after column 6 for the subtraction and retain the last two columns:
>
> perl -F'\t' -lane 'print join("\t", @F[0..8], $F[6] - $F[5])' *
>
> input data:
> 68152 922949 639F 510 100 150 245 870
> 46735 985967 649A 600 90 110 344 915
When you say column 6 are you counting from one or zero? Do you
actually have whitespace at the beginning of the input data or is that
an email formatting thing?
See if this works:
perl -lane'splice @F, 6, 0, $F[6] - $F[5]; print join "\t", @F' *
John
--
use Perl;
program
fulfillment
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