On 4/25/05, Larsen, Errin M HMMA/IT <[EMAIL PROTECTED]> wrote:
> Hi Perlers,
> 
>   I typically will type the following to collect a specific column of
> data from some command's output:
> 
>   # some_command | awk '{print $4}'
> 
>   I wanted to start using perl one-liners more often, so I thought I'd
> try the column thing first.  This is what I came up with:
> 
>   # some_command | perl -pe '$_ = (split)[3] . "\n";'
> 
>   That feels/seems rather awkward.  Is there an easier, "cleaner" way of
> doing this?
> 
> --Errin
> 


perl -pae '$_="$F[3]\n"'
perl -nae 'print "$F[3]\n"'

See perldoc perlrun for info on the -a and -F switches.

HTH,

--jay

--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
<http://learn.perl.org/> <http://learn.perl.org/first-response>


Reply via email to