* Erik Christiansen on Monday, November 29, 2010 at 22:44:10 +1100
> On Mon, Nov 29, 2010 at 11:47:16AM +0100, Christian Ebert wrote:
>> * Christian Ebert on Monday, November 29, 2010 at 11:11:11 +0100
>>> term="/dev/$(ps -p$$ | awk '!/PID/ { print $2 }')"
>>
>> awk 'END { print $2 }'
>>
>> is better.
>
> Since both select the desired line from the two lines presented by the
> ps invocation, they do appear equivalent.
>
> Despite being a long-term fan of awk, I would though offer an awk-less
> means of providing $2, in case the extra command offends, in any form.
> Since this:
>
> term="/dev/$(ps -p $$ -o tty=)"
>
> provides (only) $2 in the same format as the more vanilla ps invocation
> above, it seems to do the job a little more directly.
Indeed.
a) I was too lazy to look it up.
b) I have no clue about portability - unless I find it does not
work on my system.
;-)
c
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