Files
harbour-core/harbour/doc/en/misc.txt
Viktor Szakats 4814b3b5df 2012-07-03 22:25 UTC+0200 Viktor Szakats (harbour syenar.net)
* doc/en/memvar2.txt
  * doc/en/menu.txt
  * doc/en/misc.txt
  * doc/en/nation.txt
  * doc/en/objfunc.txt
  * doc/en/rdddb.txt
  * doc/en/rddmisc.txt
  * doc/en/rddord.txt
  * doc/en/sayget.txt
  * doc/en/set.txt
  * doc/en/string.txt
  * doc/en/tbrowse.txt
  * doc/en/tclass.txt
  * doc/en/terminal.txt
  * doc/en/tgetlist.txt
  * doc/en/tlabel.txt
  * doc/en/treport.txt
  * doc/en/var.txt
    ! further fixes in $EXAMPLES$ sections
2012-07-03 20:26:37 +00:00

367 lines
8.7 KiB
Plaintext

/*
* $Id$
*/
/*
* The following parts are Copyright of the individual authors.
* www - http://harbour-project.org
*
* Copyright 2000 Chen Kedem <niki@actcom.co.il>
* Documentation for: TONE()
*
* See COPYING for licensing terms.
*
*/
/* $DOC$
* $TEMPLATE$
* Function
* $NAME$
* OS()
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Return the current operating system.
* $SYNTAX$
* OS() --> <cOperatingSystem>
* $RETURNS$
* <cOperatinSystem> The current operating system.
* $DESCRIPTION$
* This function will return the current operating system.
* $EXAMPLES$
* ? OS()
* $TESTS$
*
* $STATUS$
* R
* $COMPLIANCE$
* C
* $PLATFORMS$
* All
* $FILES$
* src/rtl/version.c
* $END$
*/
/* $DOC$
* $TEMPLATE$
* Function
* $NAME$
* VERSION()
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Returns the HARBOUR Version or the Harbour/Compiler Version.
* $SYNTAX$
* VERSION() --> <cReturn>
* $ARGUMENTS$
* None
* $RETURNS$
* <cReturn> String containing the Harbour Version
* $DESCRIPTION$
* This function returns the current Harbour Version.
* $EXAMPLES$
* ? VERSION() // "Harbour Terminal: Standard stream console"
* $TESTS$
*
* $STATUS$
* S
* $COMPLIANCE$
* C
* $PLATFORMS$
* All
* $FILES$
* src/rtl/version.c
* Library is rtl
* $SEEALSO$
* OS()
* $END$
*/
/* $DOC$
* $TEMPLATE$
* Function
* $NAME$
* GETENV()
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Obtains a system environmental setting.
* $SYNTAX$
* GETENV(<cEnviroment> ) --> <cReturn>
* $ARGUMENTS$
* <cEnviroment> Enviromental variable to obtain.
* $RETURNS$
* <cReturn> Value of the Environment Variable.
* $DESCRIPTION$
* This function yields a string that is the value of the
* environment variable <cEnviroment>, which is stored at the
* system level.
*
* If no environment variable
* is found, an empty string is returned.
* $EXAMPLES$
* ? GETENV( "PATH" )
* ? GETENV( "CONFIG" )
* ? GETENV( "HARBOURCMD", "-n -l -es2" )
* $TESTS$
*
* $STATUS$
* R
* $COMPLIANCE$
* C
* $PLATFORMS$
* All
* $FILES$
* src/rtl/gete.c
* Library is rtl
* $SEEALSO$
* GETE
* $END$
*/
/* $DOC$
* $TEMPLATE$
* Function
* $NAME$
* GETE()
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Obtains a system environmental setting.
* $SYNTAX$
* GETE(<cEnviroment> ) --> <cReturn>
* $ARGUMENTS$
* <cEnviroment> Enviromental variable to obtain.
* $RETURNS$
* <cReturn> Value of the Environment Variable.
* $DESCRIPTION$
* This function yields a string that is the value of the
* environment variable <cEnviroment>, which is stored at the
* system level.
*
* If no environment variable
* is found, an empty string is returned.
* $EXAMPLES$
* ? GETE( "PATH" )
* ? GETE( "CONFIG" )
* ? GETE( "HARBOURCMD", "-n -l -es2" )
* $TESTS$
*
* $STATUS$
* R
* $COMPLIANCE$
* This is CA-Cl*pper compliant.
*
* The <cDefaultValue> parameter is a Harbour extension.
* $PLATFORMS$
* All
* $FILES$
* src/rtl/gete.c
* Library is rtl
* $SEEALSO$
* GETENV
* $END$
*/
/* $DOC$
* $TEMPLATE$
* Function
* $NAME$
* HB_GETENV()
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Obtains a system environmental setting.
* $SYNTAX$
* HB_GETENV(<cEnviroment>, [<cDefaultValue>], [<lApplyCodepage>] ) --> <cReturn>
* $ARGUMENTS$
* <cEnviroment> Enviromental variable to obtain.
*
* <cDefaultValue> Optional value to return if <cEnvironment> is not found.
*
* <lApplyCodepage> optional logical parameter specifing whether to
* apply automatic codepage conversion (to the codepage
* specified by Set( _SET_OSCODEPAGE ) on the obtained value.
* The default is .T. Note that if the default value is passed and the environment
* value is not found, this codepage conversion is not performed against
* the returned default value
* $RETURNS$
* <cReturn> Value of the environment variable or <cDefaultValue> or an empty string.
* $DESCRIPTION$
* This function yields a string that is the value of the
* environment variable <cEnviroment>, which is stored at the
* system level.
*
* If no environment variable
* can be found, the value of the function will be <cDefaultValue>
* if it is passed, else an empty string.
* $EXAMPLES$
* ? HB_GETENV( "PATH" )
* ? HB_GETENV( "CONFIG" )
* ? HB_GETENV( "HARBOURCMD", "-n -l -es2" )
* $TESTS$
*
* $STATUS$
* R
* $COMPLIANCE$
* H
* $PLATFORMS$
* All
* $FILES$
* src/rtl/gete.c
* Library is rtl
* $SEEALSO$
* GETENV, GETE
* $END$
*/
/* $DOC$
* $TEMPLATE$
* Procedure
* $NAME$
* __RUN()
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Run an external program.
* $SYNTAX$
* __RUN( <cCommand> )
* $ARGUMENTS$
* <cCommand> Command to execute.
* $DESCRIPTION$
* This command runs an external program. Ensure that
* you have enough free memory to be able to run the external
* program. Do not use it to run 'Terminate and Stay Resident' programs
* (in case of DOS) since that causes several problems.
*
* Note: This function is what the RUN command preprocesses into.
* It is considered bad form to use this function directly.
* Use the RUN command instead.
* $EXAMPLES$
* __run( "edit " + cMyTextFile ) // Runs an external editor
* __run( "command" ) // Gives a DOS shell (DOS only)
* $TESTS$
*
* $STATUS$
* R
* $COMPLIANCE$
* C
* $PLATFORMS$
* All
* $FILES$
* src/rtl/run.c
* Library is rtl
* $SEEALSO$
* RUN
* $END$
*/
/* $DOC$
* $TEMPLATE$
* Function
* $NAME$
* TONE()
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Sound a tone with a specified frequency and duration.
* $SYNTAX$
* TONE( <nFrequency>, <nDuration> ) --> NIL
* $ARGUMENTS$
* <nFrequency> A non-negative numeric value that specifies the
* frequency of the tone in hertz.
*
* <nDuration> A positive numeric value which specifies the duration
* of the tone in 1/18 of a second units.
* $RETURNS$
* TONE() always returns NIL.
* $DESCRIPTION$
* TONE() is a sound function that could be used to irritate the end
* user, his or her dog, and the surrounding neighborhood. The frequency
* is limited to the range 0 to 32767 Hz.
* $EXAMPLES$
* IF lOk // Good Sound
* TONE( 500, 1 )
* TONE( 4000, 1 )
* TONE( 2500, 1 )
* ELSE // Bad Sound
* TONE( 300, 1 )
* TONE( 499, 5 )
* TONE( 700, 5 )
* ENDIF
* $TESTS$
* TONE( 800, 1 ) // same as ? CHR(7)
* TONE( 32000, 200 ) // any dogs around yet?
* TONE( 130.80, 1 ) // musical note - C
* TONE( 400, 0 ) // short beep
* TONE( 700 ) // short beep
* TONE( 10, 18.2 ) // 1 second delay
* TONE( -1 ) // 1/18.2 second delay
* TONE( ) // 1/18.2 second delay
* $STATUS$
* S
* $COMPLIANCE$
* C
* $PLATFORMS$
* All
* $FILES$
* Library is rtl
* $SEEALSO$
* CHR(),SET BELL
* $END$
*/
/* $DOC$
* $TEMPLATE$
* Command
* $NAME$
* RUN
* $CATEGORY$
* API
* $SUBCATEGORY$
* Environment
* $ONELINER$
* Run an external program.
* $SYNTAX$
* RUN <cCommand>
* $ARGUMENTS$
* <cCommand> Command to execute.
* $DESCRIPTION$
* This command runs an external program. Please make sure that you have
* enough free memory to be able to run the external program.
* Do not use it to run Terminate and Stay Resident programs
* (in case of DOS) since that causes several problems.
* $EXAMPLES$
* RUN ( "edit " + cMyTextFile ) // Runs an external editor
* RUN command // Gives a DOS shell (DOS only)
* $TESTS$
*
* $STATUS$
* R
* $COMPLIANCE$
* C
* $PLATFORMS$
* All
* $FILES$
* src/rtl/run.c
* Library is rtl
* $SEEALSO$
* RUN
* $END$
*/