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regina-config(1)					      General Commands Manual						  regina-config(1)

Name
       regina-config - Developer Configuration for The Regina Rexx interpreter

Syntax
       regina-config [ options ]

Description
       regina-config  supplies configuration information to a developer intending to use the Rexx SAA API for embedding Regina into their applica-
       tion or writing Rexx external function packages.

Options
       --help Displays usage.

       --version
	      Displays installed version of Regina.

       --prefix
	      Displays the installed prefix directory.

       --multithreaded
	      Displays yes if the installed version for Regina is thread-safe or no if not thread-safe.

       --cflags
	      Displays the pre-processor and compiler flags.

       --libs Displays the linker flags.

Copyright
       The Regina Rexx interpreter is distributed under the GNU Library General Public License, see the file `COPYING-LIB' in the source code dis-
       tribution.

Author
       Anders Christensen, University of Trondheim, Norway <anders@pvv.unit.no>.

       Changes to Regina since 0.07a, Mark Hessling <mark (at) rexx.org>

See Also
       There are several good reference books on Rexx. The most famous is "The Rexx Language" by Mike Cowlishaw.  Visit http://www.rexxla.org (The
       Rexx Language Association) for any Rexx related information.

																  regina-config(1)

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regina(1)						      General Commands Manual							 regina(1)

Name
       regina - The Regina Rexx Interpreter

Syntax
       regina [ options ] [ script [ scriptparams ]]

       rexx [ options ] [ script [ scriptparams ]]

Description
       regina  will  read the file named as script and will assume the contents of that file to be a Rexx program and will interpret that program.
       Any parameters following script will be interpreted as the parameters to the Rexx program. If script is not specified, the Rexx program	to
       interpret will be read from standard input, and interpretation will start when the whole program has been read.

       If `-' is specified as script then the script will be read from standard input.

       The regina executable supports the use of external function packages written to the SAA API, and called with the rxfuncadd BIF.

       The  rexx  executable  does not support the use of external function packages written to the SAA API, but executes slightly faster than the
       regina executable.

Options
       -tx    Sets tracing of the program to the option(s); "x" specified. Any TRACE commands in the program will be ignored.  If you want to  run
	      your  program with tracing set to "Intermediate", you can use the option -ti.  If only -t is specified, "All" is the trace mode set.
	      Multiple tracing options can be specified. eg. To specify "intermediate", "interactive" tracing, specify -ti -t?.

       -i     Starts Regina in interactive mode. No script will be executed.

       -v     Displays Regina version and exits.

       -a     Changes the way that arguments passed on the command line are made available to the called  Rexx	program.  With	this  switch  each
	      parameter on the command line is available as a separate argument, rather then the normal behaviour of only making the combined com-
	      mand line arguments available as one internal argument.

       -p     Relevant only on Win32 platforms. Results in a `Press ENTER key to exit...'  prompt to be displayed at the end of execution. This is
	      useful when a Rexx program is run from Explorer.

       -c     Compiles	the  specified	script	to  a tokenised image and writes the image to an output file which is the the only other parameter
	      allowed to be supplied.

       -e     Executes the specified script as a tokenised image. All other switches above are allowed.  The tokenised image is not allowed to	be
	      supplied via stdin.

Built-ins
       Below  is  a  list  of all the standard built-in functions in Rexx. For a more complete description of each function, see the documentation
       accompanying Regina.

       ABBREV(long,short[,length])
	      Returns `1' or 0', depending on whether short is an abbreviation of long , or at least length characters.

       ABS(number)
	      Returns the absolute value of number.

       ADDRESS()
	      Returns the name of the current environment.

       ARG([argno[,option]])
	      Without parameters, it returns the number of parameters. If only `argno' is specified, it must be a number, and  that  parameter	is
	      returned.  `Option'  can	be  `E',  `N'  or `O', and then either `0' or `1' is returned, depending on whether the numbered parameter
	      existed or was omitted. The option `N' is the same as not specifying an option.

       B2X(binstring)
	      Converts the bin-string `binstring' to a hex-string.

       BITAND(string1[,[string2][,padchar]])
	      Returns a string which is the bitwise AND of its two first parameters.  The shorter string is padded with `padchar'.

       BITOR(string1[,[string2][,padchar]])
	      Like `BITAND' but uses logical OR.

       BITXOR(string1[,[string2][,padchar]])
	      Like `BITAND' but uses logical XOR.

       C2D(string[,length])
	      Converts the character string `string' to a decimal number. `Length' specifies the number of characters in `string' to convert.

       C2X(string)
	      Converts the character string `string' to a hex-string.

       CENTER(string,length[,padchar])

       CENTRE(string,length[,padchar])
	      Centers `string' in a string of `length' characters, using `padchar' for padding, if necessary.

       CHARIN([streamid][,[start][,length]])
	      Read `length' (default is 1) characters from an input stream (default is the standard input stream), optionally starting at position
	      `start' (default is the current read position).

       CHANGESTR(string1,string,string2)
	      Changes all occurrences of `string1' in the string `string' to `string2'.

       CHAROUT([streamid][,[string][,start]])
	      Writes  `stream'	to  an output stream (default is the standard output stream), starting at position `start' (default is the current
	      write position).

       CHARS([streamid])
	      Returns the number of characters left in the input stream (default is the standard input stream).

       COMPARE(string1,string2[,padchar])
	      Returns `0' or `1', depending on whether the two strings are equal.  The shorter string is padded with `padchar', or space  if  pad-
	      char is omitted.

       CONDITION([option])
	      Performs various operations on streams, see other documentation.

       COPIES(string,copies)
	      Returns `copies' copies of the string `string'.

       COUNTSTR(string1,string)
	      Returns the number of occurrences of `string1' in the string `string'.

       DATATYPE(string[,option])
	      Returns  the  datatype  of  `string':  `NUM' if it is a number, `LIT' if it is as valid literal that does not have a variable value,
	      `VAR' if it is a variable, and `BAD' otherwise. If `option' is specified, it must be one of these four,  and  then  `0'  or  `1'	is
	      returned, depending on whether `string' is of the named type.

       DATE([option-out,[date,[option-in]]])
	      Returns  the  date, in various formats, which can be Base, Century, Days, European, Month, Normal, Ordered, Standard, USA, UnixTime,
	      or Weekday.  Can also be used to convert a date `date' from one format `option-in' to another; `option-out'.

       DELSTR(string,start[,length])
	      Deletes the substring of `string' starting at position `start' and having a length of `length' (default is the rest of the string).

       DELWORD(string,start[,length])
	      Deletes `length' words (default is the rest of the string) from `string', starting at word number `start'

       DIGITS()
	      Returns the current setting of NUMERIC DIGITS.

       D2C(integer[,length])
	      Converts the decimal number `integer' to a character string of length `length'.

       D2X(integer[,length])
	      Converts the decimal number `integer' to a hex-string of length `length'.

       ERRORTEXT(errno)
	      Returns the error text associated with error number `errno'.  `errno' can specify a sub-error number in the format n.n. eg. 40.1

       FORM() Returns the current setting of NUMERIC FORM.

       FORMAT(number[,[before][,[after][,[expp][,[expt]]]]])
	      Formats `number' into a string having `before' digits before and `after' digits after the decimal point. The `expp' and `expt'  gov-
	      erns how and when to use exponential form.

       FUZZ() Returns the current setting of NUMERIC FUZZ.

       INSERT(string1,string2[,position[,length[,padchar]]])
	      Inserts `string1' into `string2' at position `position' and with a length of `length'.

       LASTPOS(needle,haystack[,start])
	      Seeks for `needle' in `haystack', from the end towards the start.

       LEFT(string,length[,padchar])
	      Returns the `length' leftmost characters in `string'

       LENGTH(string)
	      Returns the number of characters in `string'.

       LINEIN([streamid][,[line][,count]])
	      Reads  a	line  from  an	input stream (default is the standard input stream), optionally starting at `line'. If `count' is zero, no
	      reading is performed (only repositioning).

       LINEOUT([streamid][,[string][,line]])
	      Writes the line `string' to an output stream (default is the standard output stream, optionally starting at `line'.

       LINES([streamid])
	      Returns the number of complete lines left in an input stream.

       MAX(number1[,number2]...)
	      Returns the maximum of its parameters.

       MIN(number[,number]...)
	      Returns the minimum of its parameters.

       OVERLAY(string1,string2[,[start][,[length][,padchar]]])
	      Overwrites `string2' with contents of `string1'.

       POS(needle,haystack[,start])
	      Seeks for first occurrence of `needle' in `haystack'.

       QUEUED()
	      Returns the number of lines in the external data queue (stack).

       RANDOM(max)

       RANDOM([min][,[max][,seed]])

	      Returns a random number in the range `min' to `max' (default is 0 and 100000).

       REVERSE(string)
	      Reverses the order of the characters in `string'.

       RIGHT(string,length[,padchar])
	      Returns the `length' rightmost characters in `string'.

       rxfuncadd(external,library,internal)
	      Loads an external function called; `internal' residing in the `library' shared library. `external' is the name of  the  function	as
	      known to the interpreter.

       SIGN(number)
	      Returns `-1', `0', or `1', depending on the sign of `number'.

       SOURCELINE([lineno])
	      Returns the number of lines in the source for the current script, or the line specified by `lineno'.

       SPACE(string[,[length][,padchar]])
	      Transform any sequence of spaces in `string' into exactly `length' spaces, and strips off leading and trailing spaces.

       STREAM(streamid[,option[,command]])
	      Returns  infomation about a stream, valid options are `Command', `Description', and `State'. See other documentation for more infor-
	      mation.

       STRIP(string[,[option][,char]])
	      Strips leading and trailing `char's off `string'. `Option' can be Leading, Trailing, or Both.

       SUBSTR(string,start[,[length][,padchar]])
	      Returns the substring of `string' starting at `start' and having length `length'.

       SUBWORD(string,start[,length])
	      Returns a subsequence of `length' words from `string' starting at `start'.

       SYMBOL(name)
	      Test whether `name' is a numbol, variable, literal.

       TIME([option-out,[time,[option-in]]])
	      Returns the time, options are Civil, Elapsed, Hours, Long, Minutes, Normal, Reset, and Seconds.  Can also be used to convert a  time
	      `time' from one format `option-in' to another; `option-out'.

       TRACE([setting])
	      Returns the current trace setting, and optionally sets a new one.

       TRANSLATE(string[,[tableout][,[tablein][,padchar]]])
	      Translates characters in `string' from `tablein' to `tableout'.

       TRUNC(number[,length])
	      Truncates `number' to `length' decimals.

       VALUE(symbol[,[value],[pool]])
	      Returns the value of `symbol', optionally setting it to `value' afterwards.

       VERIFY(string,ref[,[option][,start]])
	      Verifies	that  `strings'  consists  of  characters from `ref', and returns the first character that does not match. `Option' can be
	      Match or Nomatch.

       WORD(string,wordno)
	      Returns word number `wordno' in `string'.

       WORDINDEX(string,wordno)
	      Returns the character position of word nun

       WORDLENGTH(string,wordno)
	      Returns the length of word number `wordno' in `string'.

       WORDPOS(phrase,string[,start])
	      Returns the word position of the start of `phrase' in `string'.

       WORDS(string)
	      Returns the number of words in `string'.

       XRANGE([start][,end])
	      Returns in alphabetic order all the characters in the character set from the character `start' to the character `end'.

       X2B(hexstring)
	      Converts the hex-string `hexstring' to a bin-string.

       X2C(hexstring)
	      Converts the hex-string `hexstring' to a character string.

       X2D(hexstring[,length])
	      Converts the `length' rightmost characters of the hex-string `hexstring' to a decimal number.

Copyright
       The Regina Rexx interpreter is distributed under the GNU Library General Public License, see the file `COPYING-LIB' in the source code dis-
       tribution.

Author
       Anders Christensen, University of Trondheim, Norway <anders@pvv.unit.no>.

Maintainer
       Changes to Regina since 0.07a, Mark Hessling <mark (at) rexx.org> with significant assistance from Florian Grosse-Coosmann.

See Also
       There are several good reference books on Rexx. The most famous is "The Rexx Language" by Mike Cowlishaw.  Visit http://www.rexxla.org (The
       Rexx Language Association) for any Rexx related information.

																	 regina(1)
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