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authorSteve Price <steve@FreeBSD.org>2000-05-29 02:20:47 +0000
committerSteve Price <steve@FreeBSD.org>2000-05-29 02:20:47 +0000
commit0bce4f72fba8e0aa79f4552731cf72db0a8c3a1c (patch)
tree3cf335c90949578807bac8313e7e7ffe62b18a86 /lang/rexx-imc/pkg-descr
parentSpell "doesn't" correctly. (diff)
- Support CFLAGS properly
- Fix procedure of building shared library - Sort pkg/PLIST - Revise pkg/DESCR PR: 18797 Submitted by: KATO Tsuguru <tkato@prontomail.ne.jp>
Notes
Notes: svn path=/head/; revision=28849
Diffstat (limited to 'lang/rexx-imc/pkg-descr')
-rw-r--r--lang/rexx-imc/pkg-descr69
1 files changed, 6 insertions, 63 deletions
diff --git a/lang/rexx-imc/pkg-descr b/lang/rexx-imc/pkg-descr
index 2c3cd9abda12..2907f629d062 100644
--- a/lang/rexx-imc/pkg-descr
+++ b/lang/rexx-imc/pkg-descr
@@ -1,64 +1,7 @@
-What is REXX ?
-==============
+REXX/imc is a Rexx interpreter for Unix. It supports all the standard
+instructions and built-in functions, plus a small number of extensions,
+and has a partial implementation of the SAA API allowing applications
+to call Rexx programs and to register addressing environments, Rexx
+functions, and exit handlers.
-REXX is a programming language designed by Michael Cowlishaw
-of IBM UK Laboratories. In his own words: "REXX is a
-procedural language that allows programs and algorithms to
-be written in a clear and structured way."
-REXX doesn't look that different from any other procedural
-language. Here's a simple REXX program:
-
- /* Count some numbers */
-
- say "Counting..."
- do i = 1 to 10
- say "Number" i
- end
-
-What makes REXX different from most other languages is that
-it is also designed to be used as a macro language by
-arbitrary application programs. The idea is that
-application developers don't have to design their own macro
-languages and interpreters. Instead they use REXX as the
-macro language and support the REXX programming interface.
-If a REXX macro comes across an expression or function call
-that it cannot resolve, it can ask the application to handle
-it instead. The application only has to support the
-features that are specific to it, freeing the developer from
-handling the mundane (and time-consuming) task of writing a
-language interpreter. And if all applications use REXX as
-their macro language, the user only has to learn one
-language instead of a dozen.
-
-
-Differences between TRL (The REXX Language) and REXX/imc
-========================================================
-
-The following are all nonstandard features of REXX-imc
-
- * Rejection of labels ending with dot (in case of confusion between
- function.(args) and stem.(tail))
- * Compound variable accesses of the form "stem.'string constant'" and
- stem.(expression)
- * Acceptance of any non-zero number for logical truth, rather than just 1
- * "SAYN expression" to output lines without carriage return
- * "SELECT expression" to switch on a value
- * "END SELECT"
- * "PARSE VALUE" with multiple strings separated by commas
- * "PROCEDURE HIDE"
- * The following functions: chdir getcwd getenv putenv system userid
- plus these I/O functions: open close fdopen popen pclose fileno ftell
- * error messages 80-210, -1 and -3.
-
-
-Good sources of REXX information on the web:
-============================================
-
-REXX/imc Home page
- http://www.comlab.ox.ac.uk/oucl/users/ian.collier/Rexx/index.html
-
-IBM's REXX Language Page
- http://rexx.hursley.ibm.com/rexx/
-
-REXX Tutorials Page
- http://www2.hursley.ibm.com/rexxtut/
+WWW: http://www.comlab.ox.ac.uk/oucl/users/ian.collier/Rexx/index.html