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	<title>Comments on: Ping &#8211; Drag &amp; Drop Optimization of PNG Files</title>
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	<item>
		<title>By: Nick</title>
		<link>http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-87658</link>
		<dc:creator>Nick</dc:creator>
		<pubDate>Wed, 21 Jan 2009 19:19:17 +0000</pubDate>
		<guid isPermaLink="false">http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-87658</guid>
		<description>Ummmmmm this links to a porn site.</description>
		<content:encoded><![CDATA[<p>Ummmmmm this links to a porn site.</p>
]]></content:encoded>
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		<title>By: Aj</title>
		<link>http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-47615</link>
		<dc:creator>Aj</dc:creator>
		<pubDate>Thu, 20 Mar 2008 14:55:13 +0000</pubDate>
		<guid isPermaLink="false">http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-47615</guid>
		<description>Thanks a bunch JBrickley. A very useful comment - better than the original article. I had found OptiPNG and PNGcrusher but did not know how those fit together with PING. You showed me the light. Thanks.</description>
		<content:encoded><![CDATA[<p>Thanks a bunch JBrickley. A very useful comment &#8211; better than the original article. I had found OptiPNG and PNGcrusher but did not know how those fit together with PING. You showed me the light. Thanks.</p>
]]></content:encoded>
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	<item>
		<title>By: WU Xiangchang</title>
		<link>http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-83</link>
		<dc:creator>WU Xiangchang</dc:creator>
		<pubDate>Tue, 28 Nov 2006 01:14:01 +0000</pubDate>
		<guid isPermaLink="false">http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-83</guid>
		<description>Bravo JBrickley!

I like the PNG compressors, they help me  a lot. Anything drag and drop</description>
		<content:encoded><![CDATA[<p>Bravo JBrickley!</p>
<p>I like the PNG compressors, they help me  a lot. Anything drag and drop</p>
]]></content:encoded>
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	<item>
		<title>By: Ed</title>
		<link>http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-82</link>
		<dc:creator>Ed</dc:creator>
		<pubDate>Tue, 28 Nov 2006 01:11:09 +0000</pubDate>
		<guid isPermaLink="false">http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-82</guid>
		<description>Coolness</description>
		<content:encoded><![CDATA[<p>Coolness</p>
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	</item>
	<item>
		<title>By: JBrickley</title>
		<link>http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-73</link>
		<dc:creator>JBrickley</dc:creator>
		<pubDate>Sun, 26 Nov 2006 16:29:08 +0000</pubDate>
		<guid isPermaLink="false">http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-73</guid>
		<description>Exactly the same thing as PNGCrusher - http://www.amake.us/software/pngcrusher/
It&#039;s practically an exact copy... Both applications don&#039;t really do anything unique but provide a custom icon plus drag &amp; drop interface to the OptiPNG GNU Linux application and bundle that application inside their respective SoftwareName.app bundle.  Both were created with different versions of Platypus http://www.sveinbjorn.org/platypus which did all the bundling.

So it seems each developer merely came upon the exact same idea and each built different icons (the author of PNGCrusher gives credit to another for his icon).  It&#039;s possible that the PING developer was frustrated that PNGCrusher was not being updated and released his own updated PING.  PNGCrusher hasn&#039;t been updated in quite some time 9/18/2005 and PING has a newer OptiPNG binary. 

Examining the package contents for both reveals the only real difference is the version of OptiPNG: 

PNGCrusher: 

./optipng -v
OptiPNG 0.4.8: Advanced PNG optimizer.
Copyright (C) 2001-2005 Cosmin Truta.

This program is open-source software. See LICENSE for more details.
Compiled with libpng version 1.0.18-optipng and zlib version 1.2.2-optipng

PING:

./optipng -v
OptiPNG 0.5.2: Advanced PNG optimizer.
Copyright (C) 2001-2006 Cosmin Truta.

This program is open-source software. See LICENSE for more details.

Portions of this software are based in part on the work of:
  Jean-loup Gailly and Mark Adler (zlib)
  Glenn Randers-Pehrson and the PNG Development Group (libpng)
  Miyasaka Masaru (BMP support)
  David Koblas (GIF support)

Compiled with libpng version 1.2.10-optipng and zlib version 1.2.3-optipng

Both applications are really just simple wrappers built around OptiPNG.  Here&#039;s the OptiPNG home page - http://optipng.sourceforge.net/

One could simply download it, compile it, and use it in Automator / AppleScript Folder Actions, etc.  This I find more useful because I can build it into my existing workflow of Folder Actions.  I can process hundreds of PNG files using OptiPNG when I script it.

That being said, the credit should go to the author of OptiPNG, Cosmin Truta and I should also mention that I have replaced PNGCrusher with PING even though I have OptiPNG worked into my scripted workflow; PING is adequate for one off processing now and then.  PING is also newer then PNGCrusher.  When I have to process many files, I just use my scripted OptiPNG workflows.</description>
		<content:encoded><![CDATA[<p>Exactly the same thing as PNGCrusher &#8211; <a href="http://www.amake.us/software/pngcrusher/" rel="nofollow">http://www.amake.us/software/pngcrusher/</a><br />
It&#8217;s practically an exact copy&#8230; Both applications don&#8217;t really do anything unique but provide a custom icon plus drag &amp; drop interface to the OptiPNG GNU Linux application and bundle that application inside their respective SoftwareName.app bundle.  Both were created with different versions of Platypus <a href="http://www.sveinbjorn.org/platypus" rel="nofollow">http://www.sveinbjorn.org/platypus</a> which did all the bundling.</p>
<p>So it seems each developer merely came upon the exact same idea and each built different icons (the author of PNGCrusher gives credit to another for his icon).  It&#8217;s possible that the PING developer was frustrated that PNGCrusher was not being updated and released his own updated PING.  PNGCrusher hasn&#8217;t been updated in quite some time 9/18/2005 and PING has a newer OptiPNG binary. </p>
<p>Examining the package contents for both reveals the only real difference is the version of OptiPNG: </p>
<p>PNGCrusher: </p>
<p>./optipng -v<br />
OptiPNG 0.4.8: Advanced PNG optimizer.<br />
Copyright (C) 2001-2005 Cosmin Truta.</p>
<p>This program is open-source software. See LICENSE for more details.<br />
Compiled with libpng version 1.0.18-optipng and zlib version 1.2.2-optipng</p>
<p>PING:</p>
<p>./optipng -v<br />
OptiPNG 0.5.2: Advanced PNG optimizer.<br />
Copyright (C) 2001-2006 Cosmin Truta.</p>
<p>This program is open-source software. See LICENSE for more details.</p>
<p>Portions of this software are based in part on the work of:<br />
  Jean-loup Gailly and Mark Adler (zlib)<br />
  Glenn Randers-Pehrson and the PNG Development Group (libpng)<br />
  Miyasaka Masaru (BMP support)<br />
  David Koblas (GIF support)</p>
<p>Compiled with libpng version 1.2.10-optipng and zlib version 1.2.3-optipng</p>
<p>Both applications are really just simple wrappers built around OptiPNG.  Here&#8217;s the OptiPNG home page &#8211; <a href="http://optipng.sourceforge.net/" rel="nofollow">http://optipng.sourceforge.net/</a></p>
<p>One could simply download it, compile it, and use it in Automator / AppleScript Folder Actions, etc.  This I find more useful because I can build it into my existing workflow of Folder Actions.  I can process hundreds of PNG files using OptiPNG when I script it.</p>
<p>That being said, the credit should go to the author of OptiPNG, Cosmin Truta and I should also mention that I have replaced PNGCrusher with PING even though I have OptiPNG worked into my scripted workflow; PING is adequate for one off processing now and then.  PING is also newer then PNGCrusher.  When I have to process many files, I just use my scripted OptiPNG workflows.</p>
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	</item>
	<item>
		<title>By: anonymous</title>
		<link>http://osxdaily.com/2006/11/25/ping-drag-drop-optimiztion-of-png-files/#comment-56</link>
		<dc:creator>anonymous</dc:creator>
		<pubDate>Sat, 25 Nov 2006 23:44:32 +0000</pubDate>
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		<description>Seems to work as advertised, thanks.</description>
		<content:encoded><![CDATA[<p>Seems to work as advertised, thanks.</p>
]]></content:encoded>
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