On Sat, Nov 10, 2012 at 04:28:29AM +0000, T o n g wrote:
>
> It's OK to:
>
> head /etc/group | awk '{print $0 | "cut -d':' -f1";}'
Why not:
head /etc/group | awk -F: '{print $1}'
>
> or,
>
> head /etc/group | awk '{ "echo " $0 | getline result ; print result}'
>
> Any way to filter through external command to variable, somewhat like:
>
> head /etc/group | awk '{print $0 | "cut -d':' -f1" | getline result ;}'
>
> Any way to make it works?
Well...
head /etc/group |\
awk '{"echo " $0 " | cut -d: -f1" | getline result; print result}'
...seems to work. But it is also very silly.
--
John
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