Цель скрипта проста — он берёт последние 50 записей, выдирает оттуда твиттерчан и постит их ники под тегом #followfriday )

#!/usr/bin/perl -w
use strict;
use WWW::Curl::Easy;
use Data::Dumper;
use URI::Escape;

my $login       = q[skazkin];
my $password    = q[password];
my $href = "http://twitter.com/statuses/friends_timeline.xml?count=50";
my $message_dummy = "#followfriday ";

my (@posts, %tmp, @people);

my $lenta = callTwitter({href=>$href});

while($lenta->{content} =~ /(@[a-z0-9_]+)/ig){
    push(@people, $1);
}
@people = grep(!$tmp{$_}++, @people);

while($#people != -1){
    my $msg = $message_dummy;
    while(length $msg < 140){
        last if $#people == -1;
        my $name = shift @people;
        if((length $name) + (length $msg) > 140){
            push (@people, $name);
            last;
        }
        $msg .= $name.q[ ];
    }
    push(@posts,$msg);
}

$href = "http://twitter.com/statuses/update.xml";

foreach(@posts){
    callTwitter({
                    href    =>  $href,
                    post    =>  "status=".uri_escape($_)
                });
    sleep(1);
}
sub callTwitter {
    my $params = shift;
    my ($result, $retcode, $curl) = ('false',undef,undef);
    $curl = new WWW::Curl::Easy;
    $curl->setopt(CURLOPT_URL, $params->{href});
    $curl->setopt(CURLOPT_USERPWD, $login.q[:].$password);
    $curl->setopt(CURLOPT_POST, 1) if $params->{post};
    $curl->setopt(CURLOPT_POSTFIELDS, $params->{post})  if $params->{post};
    open (my $tmp_for_curl, ">", \$result);
    $curl->setopt(CURLOPT_FILE,$tmp_for_curl);
    $retcode = $curl->perform;
    return {retcode => $retcode, content => $result};
}