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Many resources are available to Icon programmers. These include implementations for many platforms, a program library, source code, books, technical reports, newsletters, and a newsgroup.
Most Icon material, except for books, is available free of charge.
On the World Wide Web, the Icon home page is located at
http://www.cs.arizona.edu/icon/
From there, links to general information about Icon, reference material, the current status of Icon, implementations, the Icon program library, documentation, technical support, and so on can be found.
The address for anonymous FTP is
ftp.cs.arizona.edu
From there, cd /icon and get README for navigational instructions.
All implementations of Icon are in the public domain and available as described in the preceding section.
The current version, Version 9, presently is available for the Acorn Archimedes, the Amiga, Macintosh/MPW, Microsoft Windows, MS-DOS, many UNIX platforms, VAX/VMS, and Windows NT.
There also are earlier versions for several other platforms. Icons graphics facilities presently are supported for Microsoft Windows, UNIX, VAX/VMS, and Windows NT.
Documentation on Icon is extensive. In addition to the material here, there are three books devoted to Icon:
There are two newsletters:
There also are many technical reports and user manuals for various platforms.
One of the most useful resources available to Icon programmers is the Icon program library. It contains hundreds of programs, thousands of procedures that can be used in other programs, as well as documentation and useful data.
The library is divided into two parts, a basic part and a part concerned with graphics. Within these parts are directories for data, documents, include files, large programs in separate packages, procedures, and stand-alone programs.
The directory structure looks like this:
The packs and gpacks directories contain subdirectories, each devoted to a packaged program and the material it requires. For example, VIB is included in gpacks.
The directories procs and gprocs contain modules that are useful in building programs, including many extensions to Icons built-in computational repertoire. Modules that contain commonly used procedures are designated as core modules. The core modules are
convert | Type conversion and formatting procedures |
datetime | Date and time procedures |
factors | Procedures related to factoring and prime numbers |
io | Procedures related to input and output |
lists | List manipulation procedures |
math | Procedures for mathematical computation |
numbers | Procedures for numerical computation and formatting |
random | Procedures related to random numbers |
records | Record manipulation procedures |
scan | Scanning procedures |
sets | Set manipulation procedures |
sort | Sorting procedures |
strings | String manipulation procedures |
tables | Table manipulation procedures |
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