Help with wc and subtraction needed

Lux Zhang yuanlux at gmail.com
Fri Jul 13 01:05:50 UTC 2007


On 13/07/07, Matthew Benjamin <msbenjamin12 at gmail.com> wrote:
>
> I have a command that I am trying to read a particular amount of lines
> with
>
> wc -l somefile | awk '{print $1}'


if you prefer the comman line, you can do

wc -l somefile | awk -v a=42 '{t=$1+a; print t}'



when it givs the number of lines, I am trying to find out how to use that
> number in an addition problem. Can someone help me with that?
>
>
> --
> mB.
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