Try this: 

#! perl -sw
use strict;
use threads;
use Thread::Queue;

my $Q = new Thread::Queue;

async{
    $Q->enqueue( $_ ) while <>;
    $Q->enqueue( undef );
}->detach;
sleep 1;

print while $_ = $Q->dequeue;

[download]

Name it buf(.pl) and use it like this: 

perl -E"$_%1000 or say 'Here'. $_ for 1..1e6" | buf | less

[download]
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.
"I'd rather go naked than blow up my ass"

In reply to Re: Suffering with buffering - how to wake 'less' by BrowserUk
in thread Suffering with buffering - how to wake 'less' by benizi

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