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The LibXDiff library implements basic and yet complete functionalities to create file differences/patches to both binary and text files. The library uses memory files as file abstraction to achieve both performance and portability. For binary files, LibXDiff implements (with some modification) the algorithm described in File System Support for Delta Compression by Joshua P. MacDonald, while for text files it follows directives described in An O(ND) Difference Algorithm and Its Variations by Eugene W. Myers. Memory files used by the library are basically a collection of buffers that store the file content. There are two different requirements for memory files when passed to diff/patch functions. Text files for diff/patch functions require that a single line do not have to spawn across two different memory file blocks. Binary diff/patch functions require memory files to be compact. A compact memory files is a file whose content is stored inside a single block.

A maintainance utility for sgml catalog files. mkcatalog maintains sgml "catalog" files. usage: mkcatalog [-pq] install|deinstall dtd-subdirectory [catalog-filename] options: -p preserve old catalog file. -q silent mode commands(required): install set DTD configuration to catalog files. deinstall usset DTD configuration from catalog files. required arguments: dtd-subdirectory DTD sub-directory. (root sgml direcotry is ${PREFIX}/share/sgml.) optional arguments: catalog-filename DTD catalog filename. for example: # mkcatalog install html/4.0 This commands do the following actions: 1. Add `CATALOG "html/catalog"' to ${PREFIX}/share/sgml/catalog. 2. Add `CATALOG "4.0/catalog"' to ${PREFIX}/share/sgml/html/catalog. # mkcatalog install docbook/4.1 docbook41.cat This commands do the following actions: 1. Add `CATALOG "docbook/catalog"' to ${PREFIX}/share/sgml/catalog. 2. Add `CATALOG "4.1/docbook41.cat"' to ${PREFIX}/share/sgml/docbook/catalog. # mkcatalog deinstall docbook/4.1 docbook41.cat This commands do the following actions: 1. Delete `CATALOG "4.1/docbook41.cat"' from ${PREFIX}/share/sgml/docbook/catalog. 2. Delete `CATALOG "docbook/catalog"' from ${PREFIX}/share/sgml/catalog.

The BPF Traffic collector Enhanced version of trafd (/usr/ports/net/trafd/)

This module provide easy interface to make MIME::Lite object with html formatted mail.

MIME::Lite::TT is the wrapper of MIME::Lite which enabled Template::Toolkit as a template of email.

This module collects IP validation routines to make input validation, and untainting easier and more readable. All functions return an untainted value if the test passes, and undef if it fails. This means that you should always check for a defined status explicitly. Don't assume the return will be true. (e.g. is_username('0')) The value to test is always the first (and often only) argument.

This module collects common URI validation routines to make input validation, and untainting easier and more readable. All functions return an untainted value if the test passes, and undef if it fails. This means that you should always check for a defined status explicitly. Don't assume the return will be true. The value to test is always the first (and often only) argument. There are a number of other URI validation modules out there as well. This one focuses on being fast, lightweight, and relatively 'real-world'. i.e. it's good if you want to check user input, and don't need to parse out the URI/URL into chunks. Right now the module focuses on HTTP URIs, since they're arguably the most common.

Mbrowse is a GUI MIB browser and query tool based on GTK and Net-SNMP.

Speedtest.net Mini is a package that allows to free speed test on your own server that uses the same technology as Speedtest.net.

ImageMagick是一个用来对图像进行显示和交互操作的包。这个包包含了图像转换、注释、合成、动画 和剪辑工具。ImageMagick能读写各种流行的图像格式（如，JPEG、TIFF、PNM、XPM、Photo CD等）。 这个工具包可以在没有GUI（X11）的支持的情况下编译——它将没有显示、导入和动画功能，但仍保留极为有用 的图像处理功能。 这个可选的“显示”实用工具和port下的同名实用工具misc/display冲突。 http://imagemagick.sourceforge.net/