Quadregus хочет написать ОС

#!/bin/bash
##########################################
###_Copyright_by_D.Popov_&_bestie__2010_##
###_______Downloader_files_from_________##
###_____________The HTTP/FTP____________##
##########################################
#For internationalization
title="Popov Downloader"
get_dir_notify="Write folder for downloading file"
get_link_notify="Write link downloading file"
bye_notify="Good-bye"
bad_dir_notify="Download directory  does not exist"
bad_url_notify="Bad URL"
downloading_notify="Downloading file..."
success_notify="File successfully downloaded"
width=200
double_width="$width*2"
ViewDialog()
{
    dirdownload=$(zenity --entry --title "$title" --text "$get_dir_notify" --width $width)
    if [ -d "$dirdownload" ]; then
        linktodownload=$(zenity --entry --title "$title" --text "$get_link_notify"  --width $width)
        return 1
    elif [ ! -e "$dirdownload" ] || [ -z "$dirdownload" ]; then
        zenity --error --title "$title" --text "$bad_dir_notify" --width $width
    else
        zenity --info --title "$title" --text "$bye_notify" --width $width
    fi
    return 0
}
GetFile()
{
    if [ -z "$linktodownload" ]; then
        zenity --error --title "$title" --text "$bad_url_notify" --width $width
    elif [ -n "$linktodownload" ]; then
        cd $dirdownload
        wget -c  $linktodownload 2>&1 | zenity --progress --title "$title" --text "$downloading_notify" --pulsate --auto-close --width $double_width
    fi
}
OnStart()
{
    #For console compatibility
    echo "############################################"
    echo "###________Popov_____downloader_________####"
    echo "###____________version___0.2____________####"
    echo "############################################"
}
Quit()
{
    if [ -n "$dirdownload" ] && [ -n "$linktodownload" ]; then
        zenity --info --title "$title" --text "$success_notify" --width $width
    fi
}
OnStart
ViewDialog
value=$?
if [ $value -eq 1 ]; then
    GetFile
    Quit
fi