Re: [OT?] sleep()-problem in perl

[Colin Watson <cjwatson@debian.org>]

On Mon, Nov 11, 2002 at 05:08:55PM +0100, Johannes J?rg wrote:
> Could someone tell me why this works:
> 
> #!/usr/bin/perl -w
> for ($i=0;$i<=10;$i++){
>   print "sleeping...\n";
>   sleep 1;
> }
>  
> and this one does not:
> 
> #!/usr/bin/perl -w
> for ($i=0;$i<=10;$i++){
>   print "sleeping...";
>   sleep 1;
> }

Standard output is usually line buffered when printing to a terminal, so
your output may not appear until you print a newline. Set $| = 1 if you
want to change this, and see perlvar(1).

Cheers,

-- 
Colin Watson                                  [cjwatson@flatline.org.uk]