[Israel.pm] printing the output of `command` with immediate flush

Gabor Szabo szabgab at gmail.com
Tue Nov 24 00:45:35 PST 2009


On Wed, Nov 18, 2009 at 2:59 PM, Yuval Kogman <nothingmuch at woobling.org> wrote:
> 2009/11/17 Gabor Szabo <szabgab at gmail.com>:
>
>> open my $ph, "$cmd |" or die;
>
> The 3 argument form of open is better, though technically for external
> commands it's potentially more than 3 ;-)
>
>    open my $ph, "-|", @cmd;

Iteresting. With all my quest to get people use the 3 param format
of open I missed this case.

You always learn new stuff.

Gabor

-- 
Gabor Szabo                     http://szabgab.com/blog.html
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