Vidul Nikolaev Petrov

#!/usr/bin/perl

use strict;
use warnings;

my $dom = shift || die "missing name\n";
my $res = qx{whois $dom};

die $1 . "for '$dom'\n" if $res =~ /(no\s+whois\s+server\s+)/i;
die "$dom is free\n"    if $res =~ /no\s+match|does\s+not\s+exist/i;
die "$dom is reserved\n";

__END__
_whois 123456.com
123456.com is reserved

_whois _123456_.com
_123456_.com is free

#!/bin/bash

file=$1

if [ -e $file ]
then
        vim $file
else
        touch $file
        echo '#!/usr/bin/perl' > $file
        echo '' >> $file
        echo 'use strict;' >> $file
        echo 'use warnings;' >> $file
        echo 'use diagnostics;' >> $file
        echo '' >> $file
        chmod +x $file
        vim $file
fi

find  ~/Desktop/ -iname "*.pdf" \
  -o -iname "*.chm" \
  -o -iname "*.txt" \
  -o -iname "*.html" \
-exec cp -v {} . \;

#!/usr/bin/perl

use strict;
use warnings;
use HTML::WikiConverter;
use Perl6::Slurp;

my $file_name = shift;

-f $file_name or die "No file given!\n";

my $wiki = new HTML::WikiConverter(dialect=>'MediaWiki');

print $wiki->html2wiki(slurp $file_name);

__END__

  Supported dialects:  

  DokuWiki
  Kwiki
  MediaWiki
  MoinMoin
  Oddmuse
  PbWiki
  PhpWiki
  PmWiki
  SlipSlap
  TikiWiki
  UseMod
  WakkaWiki
  WikkaWiki

use strict;
use Getopt::Std;
use File::Basename;

getopts('scf:p:'); 

our($opt_s, $opt_c, $opt_f, $opt_p);

my $file = $opt_f;
my $size = $opt_p || 1;
my $len  = 1024;
my $c = 1;
my ($buf, $counter);

-f $file or usage();

if($opt_s){
    $size = 1024 * $size;

    open IN, "< $file" or die "cannot open_r $file $!";
    open OUT, "> $file.$c"  or die "cannot open_w $file $!";
    binmode IN;
    binmode OUT;

    while(read(IN, $buf, $len)){
        $counter++;
        if($counter > $size){
            $counter = 0;
            $c++;
            close OUT;
            open OUT, "> $file.$c"  or die "cannot open_w $file $!";
            binmode OUT;
        } 
        print OUT $buf
    }
} elsif($opt_c) {
    my @files = grep { -f and /^$file\.\d+$/ } glob '*';
    my $newfile = "splitter_$file";
    open OUT, ">> $newfile" or die "cannot open_w $file $!";
    binmode OUT;
    map { $_ =~ s/^$file\.// } @files;
    for(sort {$a<=>$b} @files ){
        open IN, "$file.$_" or die "cannot open_r $file $!";
        binmode IN;
        print OUT $_ while <IN>;
        close IN;
    }
} else {
    usage()
}

sub usage{
    my $pro = basename($0);
    print <<SQ;

$pro (-s|-c) -p piece size -f filename

    -s    split a file into pieces
    -c    collect a file from pieces
    -p     chunk size (defaults to 1MB)
    -f     file to be processed
SQ
    exit 1
}

class File
  def self.rename_basename(abs_name, old_str, new_str)
    f_name = File.basename(abs_name).gsub Regexp.quote(old_str), new_str
    d_name = File.dirname(abs_name)
    File.rename(abs_name, d_name + '/' + f_name)
    rescue
      raise ArgumentError, "No such file #{filename}", caller
  end
end

Dir["*/**"].each do |f|
  if File.basename(f).match('%20')
    File.rename_basename(f, '%20', ' ')
  end
end

export PATH=$PATH:$HOME/bin:/usr/sbin:/sbin:$HOME/network
export TERM=linux
export gemdoc=`gem environment gemdir`/doc

function prompt_set {

 local GRAY="\[\033[1;30m\]"
 local LIGHT_GRAY="\[\033[0;37m\]"
 local CYAN="\[\033[0;36m\]"
 local LIGHT_CYAN="\[\033[1;36m\]"
 local NO_COLOUR="\[\033[0m\]"

 case $TERM in
    xterm*|rxvt*)
        local TITLEBAR='\[\033]0;\u@\h:\w\007\]'
        ;;
    *)
        local TITLEBAR=""
        ;;
 esac

 local temp=$(tty)
 local GRAD1=${temp:5}
PS1="$GRAY-$CYAN-$LIGHT_CYAN(\
$CYAN\u$GRAY@$CYAN\h$LIGHT_CYAN)$CYAN-$LIGHT_CYAN(\
$CYAN\$(date +%H:%M)$GRAY:$CYAN\w\
$LIGHT_CYAN)$CYAN-$GRAY-$LIGHT_GRAY "
PS2="$LIGHT_CYAN-$CYAN-$GRAY-$NO_COLOUR "
}

prompt_set

alias get_visits="ssh l 'tail /home/postgres/stats.txt'"
alias __='history | tail -2 | head -1'
alias r="temproot `id -u`'"
alias sql='mysql --password=pass'
alias ..='cd ..';
alias ...='cd ../..';
alias ,='cd -'
alias e=exit
alias e=exit
alias v=vim
alias l='ls -lc -h --color=yes'
alias c=clear
alias top='top -d1'
alias hc='history -c'
alias gre=grep
alias gr=gre
alias gpre=gr
alias grp=gpre
alias le=less
alias mroe=more
alias mreo=mroe
alias h=history
alias pe='perl -e'
alias pc='perl -c'
alias t=date
alias d=date

function FOR {
        local count=$1
        start=0
        shift
        while [ $start -lt $count ]
        do
        $*
        sleep 1
                clear
                let start=$start+1
        done
}

require "socket"

unless ARGV.size == 2
 raise ArgumentError,
   "Expected two hostnames, got #{ARGV.size}"
end

h1,h2 = ARGV

begin
  h1,h2 = Socket::getaddrinfo(h1, 7)[0][3], Socket::getaddrinfo(h2, 7)[0][3]
rescue
  print "#{$!}...\texiting\n"
  exit
end

if h1.eql? h2
  puts "hosts have the same ip address: #{h1}"
else
  puts "hosts differ: #{h1} #{h2}"
end