하늘높이의 프로그래밍 이야기

실버라이트 한글 사용하기

Web Tech/Silverlight2007. 8. 1. 01:30

Silverlight에서 한글 쉽고, 가볍게 사용하기

[Silverlight](수정) TextBlock의 한글 폰트 지원 문제

Silverlight, 한글을 처리하는 방법 - Glyph 처리

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Windows 2003에서의 실버라이트

Web Tech/Silverlight2007. 7. 30. 00:36

회사에서는 여차 저차에서 Windows 2003을 사용하는데...

Visual Studio 2007 Beta를 깔고 Expression Blend를 설치하고

이곳저곳에서 받은 샘플 소스들을 돌렸더니....

이런 C# Import 문장에서 부터 오류가 줄줄줄.....

어라 아직 Windows 2003에서는 안되나?

Blend 2는 설치 조차 되지도 않더라..

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실버라이트를 이용하여 RSS 리더 만들기

Web Tech/Silverlight2007. 7. 25. 09:39
출저 : http://msdn2.microsoft.com/en-us/library/bb410109.aspx#silverlightrsshero_topic1
Silverlight Technical Articles
Using Silverlight and RSS to Build a Hero Bar with ASP.NET
 

Laurence Moroney

Updated: May 2007

Applies to:
   Silverlight
   ASP.NET

Summary: Learn how to use Microsoft Silverlight and RSS through ASP.NET to create a simple hero bar that is easily customizable and regenerated. (11 printed pages)

Contents

Introduction
Creating the XAML Template.
Using RSS
Building an ASP.NET Application to Generate XAML from the RSS Document
Managing the URLs
Rendering the Hero Banner in Silverlight

Introduction

We have all seen hero bars on our favorite websites—you know, the banner at the top of the site that rotates around new content and provides direct linkage to it? Did you know that it is easy to create a hero bar with Silverlight? Did you also know that it is just as easy to drive that hero bar content using RSS?

In this article, you'll see how to create a simple one that is easily customizable and can be regenerated simply by editing an RSS document. As such, you can have a hero bar that highlights new blog entries (where your blog is syndicated via RSS), and all you have to do to update the bar is create a new blog entry!

Figure 1 shows an example of a hero bar in action.

Figure 1. Viewing a hero bar in Internet Explorer

This article will guide you through the following steps in order to construct a hero bar:

  1. You will create an XAML template that contains one item and any necessary resources, such as animations (Creating the XAML Template.).
  2. You will create an ASP.NET application that reads an RSS file and generates XAML using the template in Step 1 (Building an ASP.NET Application to Generate XAML from the RSS Document).
  3. You will create a second ASP.NET application that reads an RSS file and generates JavaScript code containing the URLs (Managing the URLs).
  4. You will create an HTML page that contains the Silverlight control, sourcing it from the ASP.NET application in Step 2 and from the JavaScript generator in Step 3 (Rendering the Hero Banner in Silverlight).

Creating the XAML Template

The hero bar in Figure 1 is a 960 × 150 pixel bar containing an image, a headline element with a larger font, and a details element with a smaller font. In XAML, these are collected together into a canvas such as the following:

Copy Code
<Canvas Width="960" Height="150" x:Name="cnvItem0" Opacity="0" MouseLeftButtonDown="javascript:DoClick">
      <Canvas.Background>
         <LinearGradientBrush EndPoint="1,0.5" StartPoint="0,0.5">
            <GradientStop Color="#FF310909" Offset="0"/>
            <GradientStop Color="#FFAE0000" Offset="1"/>
         </LinearGradientBrush>
      </Canvas.Background>

<Image x:Name="img0" Width="344" Height="136"
       Canvas.Left="8" Canvas.Top="8" Source=""/>

<TextBlock x:Name="hdln0" Width="576" Height="40" 
           Canvas.Left="376" Canvas.Top="8"
           FontFamily="Tahoma" FontSize="24"
           FontWeight="Normal" Foreground="#FFFFFFFF"
           Text="Headline Text 1" TextWrapping="Wrap"/>

<TextBlock x:Name="detl0" Width="576" 
           Height="96" Canvas.Left="376" 
           Canvas.Top="48" FontFamily="Tahoma" 
           FontSize="14" FontWeight="Normal" 
           Foreground="#FFFFFFFF" 
           Text="Text Details 1 Describing the stuff inside the hero bar. Clicking anywhere on the bar should take us to the bar details page." 
           TextWrapping="Wrap"/>

</Canvas>

Of course, you can use any XAML design that you like, but do take note of the element names. These names are used by the ASP.NET code to fish out the nodes using XPath.

In addition to this, you will likely want an animation that manages the transition between different banners. In the following example, the animation used is a fade in opacity from one element to the next:

Copy Code
<Storyboard x:Name="FadeIn" RepeatBehavior="Forever">
<DoubleAnimationUsingKeyFrames x:Name="Step0"    
        Storyboard.TargetName="cnvItem0"     
        Storyboard.TargetProperty="(UIElement.Opacity)" >
      <SplineDoubleKeyFrame KeyTime="00:00:00" Value="0"/>
      <SplineDoubleKeyFrame KeyTime="00:00:05" Value="1"/>
      <SplineDoubleKeyFrame KeyTime="00:00:06" Value="0"/>
  </DoubleAnimationUsingKeyFrames>
</Storyboard>

This example uses a DoubleAnimationUsingKeyFrames that fades the opacity of the item from 0 (invisible) to 1 (fully visible) over five seconds, and back to 0 over 1 further second. This will be used as the template for each animation. For example, if you have five elements on your hero bar, you will have five of these storyboards set up—one for each element.

Using RSS

The RSS specification defines an <item> node, which can contain a title, a link, a description, and a resource element such as a graphic or a video in an <enclosure> tag. This example uses images, but there is no reason why you couldn't use a video hero bar by specifying videos in the <enclosure> and using <MediaElement> instead of <Image> within your XAML.

The following is an example RSS document that contains links to Silverlight samples on Channel9, which you can update with any links you like.

Copy Code
<?xml version="1.0" encoding="ISO-8859-1" ?>
<rss version="2.0"><channel>
  <title>W3Schools Home Page</title>
  <link>http://www.w3schools.com</link>
  <description>Free web building tutorials</description>
  <item>
    <title>Red v Blue, starring Scott Guthrie</title>
    <link>http://channel9.msdn.com/playground/wpfe/rvbplayer/</link>
    <description>ScottGu in Red v Blue. Can an executive shoot a gun? 
                 Can he do it again?</description>
    <enclosure 
        url="http://channel9.msdn.com/playground/wpfe/images/rvbplayer.jpg"
        length="10659" type="image/jpeg" />
  </item>
  <item>
    <title>Updated Grand Piano showing Keyboard input!</title>
    <link>http://channel9.msdn.com/playground/wpfe/grandpiano/</link>
    <description>Your chance to be the concert pianist 
                 you always wanted to be...</description>
    <enclosure 
        url="http://channel9.msdn.com/playground/wpfe/images/grandpiano.jpg"
        length="6809" type="image/jpeg" />
  </item>
  <item>
    <title>An online WPFE Pad</title>
    <link>http://channel9.msdn.com/playground/wpfe/wpfepad/</link>
    <description>A great little online notepad that allows 
                 you to write and test your XAML</description>
    <enclosure 
        url="http://channel9.msdn.com/playground/wpfe/images/wpfepad.jpg"
        length="10938" type="image/jpeg" />
  </item>
</channel>
</rss>

If you are using RSS that is generated from your blog (for example), make sure that these nodes are supported. If they are not, you will need to amend your ASP.NET code in order to handle the structure of your RSS document.

Building an ASP.NET Application to Generate XAML from the RSS Document

The first thing you'll want to do is override the HTML output from the ASPX page—you will just want the ASPX page to write out XAML. The most straightforward way is to delete all markup on the ASPX page, except for the first line. For example, if you named your page "GenerateXaml.aspx," your page should have a line like the following:

Copy Code
<%@ Page Language="C#" AutoEventWireup="true" 
 CodeFile="GenerateXaml.aspx.cs" Inherits="_Default" %>

You would then want to use code like the following on your Page_Load event handler:

Copy Code
protected void Page_Load(object sender, EventArgs e)
    {
        String strRSSDoc = Request.Params["feed"];
        if (strRSSDoc == null)
            strRSSDoc = Server.MapPath("rssfeed.xml");
        WebClient rssClient = new WebClient();
        Stream data = rssClient.OpenRead(strRSSDoc);
        StreamReader reader = new StreamReader(data);
        String sBuffer = reader.ReadToEnd();
        XmlDocument xmlDoc = new XmlDocument();
        xmlDoc.LoadXml(sBuffer);
        XmlDocument xmlXaml = GenerateXaml(xmlDoc);
        Response.ContentType = "text/xml";
        Response.Write(xmlXaml.OuterXml);
    }

Because this code takes a feed parameter, you can pass in the URI of an RSS document by calling http://server/GenerateXaml.aspx?feed=URI. Or if you omit this parameter, it will read the data from a file called rssfeed.xml in the same directory as the ASPX page.

It then reads this RSS file into an XAML document and calls the GenerateXaml helper function to create a new XmlDocument called "xmlXaml." It then writes the "xmlXaml" contents out to the response stream.

The workhorse of this application is the aforementioned GenerateXaml helper function. It's a big function, so we'll go through it step by step.

The first thing you'll need to do is to create the following:

Copy Code
XmlDocument xmlXaml = new XmlDocument();
xmlXaml.Load(Server.MapPath("template.xml"));

// Set up the namespaces. These are necessary for XPathing an
// XML Document that contains multiple name spaces
// Note: The default namespace does not have a prefix, but
// in order to XPath it, we have to prefix it with one,
// so I use 'd' (for default)
NameTable myn = new NameTable();
XmlNamespaceManager mng = new XmlNamespaceManager(new NameTable());
mng.AddNamespace("d", 
        "http://schemas.microsoft.com/winfx/2006/xaml/presentation");
mng.AddNamespace("x", "http://schemas.microsoft.com/winfx/2006/xaml");

When using XAML in ASP.NET with the XML APIs, you need to use an XmlNameSpaceManager to handle the different namespaces. Some elements in Silverlight use the default namespace, while others use the extended namespace prefixed with an "x:" (i.e. "x:Name"). You need to specify a prefix for the namespace manager when using a default namespace, so the "d" prefix is used. For example, when searching for nodes in the default namespace "Image" using XPath, you will refer to it as "d:Image."

Next, you'll get the list of item nodes from the RSS document. To do this, you will use the SelectNodes API to return a NodeList of items.

Copy Code
// The Hero bar items are stored in the RSS 'item' node
//Get a nodelist of the items.
XmlNodeList xnItems = rssFeed.SelectNodes("//item");

Now you'll want to iterate through this list and make copies of the XAML canvas for each node:

Copy Code
for (int lp = 0; lp < xnItems.Count; lp++)
{
  if (lp == 0)
  {
    itemCanvasTemplate = 
        xmlXaml.SelectSingleNode("//d:Canvas[@x:Name='cnvItem0']", mng);
  }
  else
  {
    XmlNode xNodeToCopy = 
        xmlXaml.SelectSingleNode("//d:Canvas[@x:Name='cnvItem0']", mng);
    itemCanvasTemplate = xNodeToCopy.Clone();
}

Now that you have your node, you’ll want to edit the details, to put the image, headline and text from the RSS Item:

Copy Code
// Now that we have our node, we will customize it with the details taken from the RSS Item.
//First, set up the variables holding the RSS items.
string strItemTitle = xnItems[lp].SelectSingleNode("title").InnerText;
string strItemLink = xnItems[lp].SelectSingleNode("link").InnerText;
string strItemDescription = 
    xnItems[lp].SelectSingleNode("description").InnerText;
string strItemPicture = 
    xnItems[lp].SelectSingleNode("enclosure").Attributes["url"].InnerText;

// Then, edit the node with these items directly
// 1. Edit the canvas to give it a unique ID
string strCanvasName = "cnvItem" + lp;
itemCanvasTemplate.Attributes["x:Name"].Value = strCanvasName;
            
// 2. Edit the Image Name and Source
XmlNode xNode = 
    itemCanvasTemplate.SelectSingleNode("//d:Image[@x:Name='img0']", mng);
string strImageName = "img" + lp;
xNode.Attributes["x:Name"].Value = strImageName;
xNode.Attributes["Source"].Value = strItemPicture;

// 3. Edit the Headline Textblock name and content
xNode = 
  itemCanvasTemplate.SelectSingleNode("//d:TextBlock[@x:Name='hdln0']", mng);
string strHeadlineName = "hdln" + lp;
xNode.Attributes["x:Name"].Value = strHeadlineName;
xNode.Attributes["Text"].Value = strItemTitle;

// 4. Edit the Details Texblock name and content
xNode = 
  itemCanvasTemplate.SelectSingleNode("//d:TextBlock[@x:Name='detl0']", mng);
string strDetailsName = "detl" + lp;
xNode.Attributes["x:Name"].Value = strDetailsName;
xNode.Attributes["Text"].Value = strItemDescription;

xmlXaml.DocumentElement.AppendChild(itemCanvasTemplate);

The process for cloning and editing the animation is very similar. You can see this in the code download for this article.

Managing the URLs

One small problem with XAML is that when you specify the JavaScript event handler for the page, you cannot parameterize it. Thus, you cannot put the individual URI for an element in the hero banner into your XAML like this:

Copy Code
MouseLeftButtonDown="javascript:DoClick(MyURI)"

To instead determine the URI, you will have to call a generic DoClick function and use the ID of the canvas that raised the event. A second ASPX page will read the RSS and generate a JavaScript array. The page containing the Silverlight banner can then reference this and the JavaScript event handler will use this JavaScript array.

The following is the C# code to write out a JavaScript array:

Copy Code
XmlNodeList xnItems = xmlDoc.SelectNodes("//item");

Response.Write("var urls = new Array()\n");

for (int lp = 0; lp < xnItems.Count; lp++)
{
  string strItemLink = xnItems[lp].SelectSingleNode("link").InnerText;
  Response.Write("urls[" + lp + "]='" + strItemLink + "';\n");
}

And here is an example of a JavaScript array that it writes out:

Copy Code
var urls = new Array()
urls[0]='http://channel9.msdn.com/playground/wpfe/rvbplayer/';
urls[1]='http://channel9.msdn.com/playground/wpfe/grandpiano/';
urls[2]='http://channel9.msdn.com/playground/wpfe/wpfepad/';

Rendering the Hero Banner in Silverlight

Now that you have all the pieces in place, it is a simple matter to render the hero banner using Silverlight.

The complete code for an HTML page that implements it, along with the JavaScript to handle the URLs follows:

Copy Code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html  >
<head>
    <title>Untitled Page</title>
    <script type="text/javascript" src="js/silverlight.js"></script>
    <script type="text/javascript" src="js/createSilverlight.js"></script>
    <script type="text/javascript" src="GenerateJS.aspx"></script>
    <script type="text/javascript">
        function DoClick(sender,args)
        {
            var n = sender.name.replace(/cnvItem/,"");
            window.open(urls[n]);
        }
    </script>
</head>
<body>
<div id='slControlHost'>
<script type="text/javascript">
    createSilverlight();
</script>   
</div>
</body>
</html>

Notice the reference to the GenerateJS.aspx page is a <script> reference. This will call the GenerateJS.aspx page, which in turn generates a JavaScript array (as in the previous section).

The <Canvas> elements in the XAML specifies that DoClick should handle the mouse left button down, and this function is implemented here. It creates n, a new var. It also sets it to the value of the sender, replacing the string cnvItem with an empty string.

The sender contains the name of the canvas that raised the event, such as cnvItem0, cnvItem1. Replacing cnvItem with an empty string then assigns n to 0 or 1 in these cases. Then, to navigate to a URL specified in the urls array (generated by GenerateJS.aspx), you use Window.Open(urls[n]).

Finally, it sets up the Silverlight control using the call with createSilverlight(). This is present in the createSilverlight.js javascript library that was included at the top of the page. This contains the instantiation code for the Silverlight control that you can see here:

Copy Code
function createSilverlight()
{  
    Sys.Silverlight.createObject("GenerateXaml.aspx", 
        slControlHost, "slControl1",
        {width:'960', height:'150', inplaceInstallPrompt:true, 
         background:'black', isWindowless:'true', 
         framerate:'24', version:'0.8'
        },
        {onError:null, onLoad:null},
        null);
}

The first parameter is GenerateXaml.aspx, which generates the XAML as we saw earlier. Silverlight then renders it. As such, you'll now have a hero banner on your page, which you can easily amend using different XAML, and easily update by updating your RSS.

This shows how Silverlight fits nicely into the overall developer ecosystem of Microsoft tools—using RSS, ASP.NET, XAML and Silverlight to mash-up a new application!


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실버라이트 링크 모음

Web Tech/Silverlight2007. 7. 23. 22:42

공식사이트

실버라이트
http://silverlight.net/

실버라이트 코리아
http://www.microsoft.com/korea/silverlight/

MS 에반젤리스트

준서아빠가 생각하는 행복한 UX 이야기
http://uxkorea.net

황리건 블로그 시즌2 :: UX Factory
www.uxfactory.net
계속 업데이트 됩니다.

개인 블로그

UX엔지니어 - MS MVP
http://winkey.tistory.com

유령 회사 공도소프트
http://gongdo.tistory.com

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Web Tech/Silverlight2007. 7. 23. 22:39
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Tim Sneath의 블로그 에 있는 글입니다.

실버라이트 어플리케이션의 From A to Z 50 입니다.
실버라이트로 무엇을 할수 있을까 자꾸 머리를 짜내어 보는데 가끔 깜짝 놀래는 서비스들이 많습니다.

관심있으신분은 한번 보세요.

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[하늘높이의 쓸데없는 쉘 프로그램 3] EUC-KR -> UTF-8

Web Tech/PHP,Perl,Python2007. 4. 28. 01:45

주말에 조금 시간이 나서 집에 팽팽 놀리는 리눅스서버를 점검해봤습니다.

그런데 역시 UTF-8을 안쓰고  EUC-KR로 사용하니 뭔가 못쓰는 부분이 만더군요...

집집하기도 하고 그래서 결국! 좋아 UTF-8을 사용해보자! 라는 결론을 내리게 되었습니다.


그렇다면 한글세팅은 어떻게 할것인가...

1.터미널을 바꾸다.

SecureCRT가 UTF8 컨버팅을 해서 쓸때 읽는건 별문제가 없는데

쓰는것이 문제가 있더군요....이런 그래서 터미널 쓰는 프로그램을 바꿔보았습니다.

netSarang의 Xshell로 변경했습니다.

UI도 괜찮고 국산프로그램이라그런지 한글에서도 별문제 없더군요...


2.삼바 설정을 UTF-8로 ...

뭐 이건 많이들 아시죠?

        dos charset = CP949

        unix charset = UTF8

요렇게해놓으면 윈도우에서는 CP949(eucKR)로

리눅스에서는 UTF8로 파일이 저장이됩니다.


3.proftpd 컨버팅 패치

wget http://www.hakusan.tsg.ne.jp/tjkawa/software/misc/proftpd-iconv/pack/proftpd-1.2.10-iconv.patch.gz  

gzip -d proftpd-1.2.10-iconv.patch.gz

wget ftp://ftp.proftpd.org/distrib/source/proftpd-1.2.10.tar.gz 

tar -zxvf proftpd-1.2.10.tar.gz

patch -p0 < proftpd-1.2.10-iconv.patch

./configure

make

make install


나중에 실행할때

CharsetLocal           UTF-8
CharsetRemote         CP949


4.그럼 이제 남은 euckr들 파일들을 UTF8로 변환하자

convmv -f cp949 -t utf8 -r --notest *

convmv는 yum으로 받으라~ 이러면 끝!

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[하늘높이의 쓸데없는 쉘 프로그램 2] 아침마다 EBS 영어방송 녹음하자

Web Tech/PHP,Perl,Python2007. 4. 28. 01:44

안녕하세요 하늘 높이 입니다.

올랜만에 글을 씁니다. 요즘에는 회사에서 영 정신이 없었나보네요.


요즘에 저두 운동을 해볼까 하고 생각중인데

시간이 아무래도 아까운듯 하여 다른것과 동시에 해볼까 하는 생각을 하게 되었습니다.


그래서 생각하게 된것이 역시 영어의 를들으면서 운동을 해볼까?

얼마나 갈지는 모르지만 현재 생각에 좋을것 같아서.....

어쨋든 하늘높이의 쓸데 없는 프로그램 1에 EBS로 알람을에 이어서 EBS 영어방송을 녹음하는 스크립트를 짜게 되었습니다.


먼저 record의 스크립트 소스 입니다.

http://kldp.org/node/68033에서 참조했습니다.


#!/bin/sh

TIME=$1
PROGNAME=$2
DATE=`/bin/date +%Y%m%d`
ARCHIVE=/home/exmemory/public_html/ebs
mkdir $ARCHIVE/$PROGNAME

URL1="mms://219.240.37.11/L-FM_300k"
OGG="$ARCHIVE/$PROGNAME/$DATE.ogg"
mkfifo ebsfifo
# records stream into wav file during specified period and kills a process
oggenc -q5 ebsfifo --output=$OGG -t$PROGNAME -aEBS -d$DATE &
mplayer $URL1 -ao pcm:file=ebsfifo &
sleep $TIME
kill %1
kill %2


생각보다 단순하죠?

앗 그런데 왜 ogg로 했냐구요? 글쎄요. 테스트 하는 도중에 제 컴퓨터에서 lame이 잘돌지 않더군요.

그래서 그냥 ogg도 좋을꺼 같아서 ogg로 했습니다. mp3로 해보실분들은 lame으로 해보시기 바랍니다.


그리고 /etc/crondtab 에 넣어주십시요.

record.sh 30m EBS_Record

반복 주기는 알아서 작성하시구요.^^


* 개인 학습을 위한 mp3 플레이어 용으로만 저장하시기 바랍니다.

* 저장된 파일의 판매 및 재 배포는 불법인거 아시죠?

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[하늘높이의 쓸데없는 쉘 프로그램 1] 아침마다 EBS 영어방송 듣기 -.-

Web Tech/PHP,Perl,Python2007. 4. 28. 01:43

좋은 아침이죠?


http://cafe.naver.com/firstgroup.cafe(우공아이) 카페 매니저 하늘높이 입니다.


항상 켜놓는 리눅스 컴퓨터가 있으신분 예를 들면 저같이 리눅스를 배워보고자 삽질하시는분이나


리눅스 라우터 등을 사용하시는 분이 되겠네요.


오늘은 리눅스 쉘프로그램으로.. 음.. 쉘프로그램이라기 보다는 crond를 이용한 프로그램이죠 매우 단순합니다.


매일아침 7:20분에 EBS에서 영어 회화방송을 하더군요.


알람+영어공부겸 해서 자동으로 틀어보자라는 생각을 했습니다.


[root@linuxserver ~]# cat /etc/crontab
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/

# run-parts
01 * * * * root run-parts /etc/cron.hourly
02 4 * * * root run-parts /etc/cron.daily
22 4 * * 0 root run-parts /etc/cron.weekly
42 4 1 * * root run-parts /etc/cron.monthly


#EBS 라디오 듣자!

20 7 * * * root /usr/local/usr_script/ebs_start.sh
20 8 * * * root /usr/local/usr_script/ebs_end.sh


오홋 스크립트로 시작시간과 끝시간이 나와있네요. 7시 20분 분부터 8시 20분까지 틀어지는거지요.

그럼 ebs_start.sh와 ebs_end.sh만 보면 되겠군요.


[root@linuxserver Script]# cat ebs_end.sh
#!/bin/bash
killall -9 mplayer
[root@linuxserver Script]# cat ebs_start.sh
#!/bin/bash

mplayer mms://219.240.37.11/L-FM_300k


엇이렇게 단순할수가..... 이게 끝입니다. 물론 눈치빠른분들은 mplayer가 있어야 하네라는것을 보실수있겠죠.

mplayer설치법은 이곳저곳에서 한번 찾아보시구요. 안되시면 리플을...

어쩃든........하늘높이의 쓸데없는 프로그램은 이것까지 였습니다.


아참 윈도우(NT)로도 미디어플레이어와 예약작업을 이용하면 충분히 가능합니다.

어떻게 할수있을까요 해보실분은 과정을 답글로 달아주세요.


그리고 저 쉘스크립트가 토요일 일요일에는 동작하지 않게할려면 어떻게 해야할까요?^^

숙제입니다.

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