[译]KeyCHW:用于MSDN(和其他大型帮助系统)的压缩实用程序

原文地址：https://www.codeproject.com/Articles/282/KeyCHW-A-Compression-Utility-for-MSDN-and-other-la

原文作者：Ralph Walden

译文由本站 robot-v1.0 翻译

前言

A DOS utility for compressing CHW files.

DOS实用程序,用于压缩CHW文件.

• 下载演示项目-20 Kb(Download demo project - 20 Kb) .CHW文件只是具有不同扩展名的.CHM文件.默认情况下,不会压缩.CHW文件,因为压缩可能需要大量内存,并且并非所有机器都能够处理内存需求.但是,如果您随产品附带了CHW文件,或者您的计算机上有大型CHW文件(例如MSDN),则KeyCHW可以显着减小CHW文件的大小.压缩率约为85%.使用MSDN之类的大型CHW文件,可以节省30 MB的硬盘空间.(A .CHW file is just a .CHM file with a different extension. By default, a .CHW file isn’t compressed since compression can require a fair amount of memory, and not all machines will be able to handle the memory requirements. But if you ship a CHW file with your product, or you have large CHW files on your machine (e.g., MSDN), then KeyCHW can significantly reduce the size of the CHW file. Compression is in the neighborhood of 85%. With large CHW files like MSDN, this can save over 30 megabytes of hard disk space.)

KeyCHW是DOS控制台程序.下载它时,应将其保存到Windows文件夹或PATH环境中的某个文件夹.要运行它,您需要启动DOS框,切换到包含您要压缩的CHW文件的文件夹,然后键入" KeyCHW",然后输入要压缩的CHW文件的名称.如果要压缩该文件夹中的所有CHW文件,只需键入" KeyCHW * .chw".(*KeyCHW is a DOS Console program. When you download it, you should save it to your windows folder, or some folder within your PATH environment. To run it, you need to start up a DOS box, switch to the folder containing the CHW file or files you want to compress and type “KeyCHW” followed by the names of the CHW files to compress. If you want to compress all the CHW files in that folder, simply type “KeyCHW .chw”.)

压缩可能会花费很长时间,因此如果您一段时间内未看到任何活动,请不要感到惊讶.例如,要压缩Visual Studio 6附带的35兆字节的CHW文件,在P450上将花费大约2分半钟(但最终文件的大小是原来的1/10!).(Compression can take a long time, so don’t be surprised if you don’t see any activity for quite awhile. For example, to compress the 35 megabyte CHW file that ships with Visual Studio 6, it will take around 2 and a half minutes on a P450 (but you will end up with a file 1/10th the size!).)

KeyCHW是免费的-您可以在任何位置安装它,将其提供给任何人,等等.当然,我们确实拥有法律上的免责声明,可用于:(KeyCHW is free – you can install it wherever you want, give it to whoever you want, etc. Of course, we do have the legal disclaimer stuff to take care of:)

由于本程序是免费获得许可的,因此在适用法律允许的范围内,本程序没有任何担保.除在编写版权持有人和/或其他各方的书面声明中另有规定的情况外,“按原样"提供该程序,而无任何形式的明示或暗示的保证,包括但不限于对适销性和适用性的默示保证.特殊用途.有关程序质量和性能的全部风险由您承担.如果程序证明是无效的,则您承担所有必要的维修,修理或校正的费用.(BECAUSE THIS PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THIS PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM ``AS IS'' WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.)

除非适用法律要求或书面同意,否则在任何情况下,任何版权所有者,或谁可以重新分配上述程序的任何其他方,均应对您承担赔偿责任,包括任何一般性,特殊性,偶然性或后果性的损害该程序的使用或不能够使用(包括但不限于数据丢失或数据丢失或您或第三方所维持的丢失或该程序无法与任何其他程序一起使用),即使是持有此程序或其他程序已通知另一方此类损害的可能性.(IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.)

许可

本文以及所有相关的源代码和文件均已获得The Code Project Open License (CPOL)的许可。

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