Difference between revisions of "REXX Utility Functions"

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[[Category:REXX Function Library]]

Latest revision as of 21:24, 20 September 2021

REXX Utility Functions

Function OS/2 Windows UNIX Remarks
SysAddFileHandle Y Y Adds to the number of file handles available to the current process.
SysAddRexxMacro Y Y Y Adds a routine to the REXX macrospace.
SysBootDrive Y Y Returns the drive used to boot the operating system.
SysClearRexxMacroSpace Y Y Y Clears the REXX macrospace.
SysCloseEventSem Y Y Y Closes an event semaphore.
SysCloseMutexSem Y Y Y Closes a mutex semaphore.
SysCls Y Y Y Clears the screen.
SysCopyObject Y Copies an existing Workplace Shell object to the specified destination folder. Warp 3
SysCreateEventSem Y Y Y Creates or opens an event semaphore.
SysCreateMutexSem Y Y Y Creates or opens an OS/2 mutex semaphore.
SysCreateObject Y Creates a new instance of an object class.
SysCreatePipe Y Creates an unnamed pipe.
SysCreateShadow Y Shadows an existing Workplace Shell object to the specified destination folder. Warp 3
SysCurPos Y Y Returns the cursor position and optionally moves the cursor to a new location.
SysCurState Y Y Hides or displays the cursor.
SysDeregisterObjectClass Y Deregisters an object class definition from the system.
SysDestroyObject Y Destroys an existing Workplace Shell object.
SysDriveInfo Y Y Returns drive information.
SysDriveMap Y Y Returns a string listing accessible drives (separated by blanks).
SysDropFuncs Y Y Y Drops all RexxUtil functions.
SysDropLibrary Y Y Drops REXX external function library.
SysDropRexxMacro Y Y Y Removes a routine from the REXX macrospace.
SysDumpVariables Y Y Y Dumps all variables in the current scope. (18 May 1999)
SysElapsedTime Y Returns a time in the format: sssssssss.uuuuuu.
SysFileDelete Y Y Y Deletes a file.
SysFileSearch Y Y Y Finds all file lines containing the target string.
SysFileSystemType Y Y Returns the name of the file system used for a drive.
SysFileTree Y Y Y* Finds all files that match a file specification.
SysFork Y Returns the process id to the parent process.
SysFromUnicode Y Maps a UniCode character string to an ASCII character string.
SysGetCollate Y Y Retrieves the country-specific collating table.
SysGetEA Y Retrieves a file's extended attribute and stores its value in variable.
SysGetErrortext Y Y** Obtains a string describing the system error identified by the error number.
SysGetFileDateTime Y Y Y Returns the selected data and time attribute of a file. (18 May 1999)
SysGetKey Y Y Y Reads and returns the next key from the keyboard buffer.
SysGetMessage Y Y Retrieves a message from an operating system message file.
SysGetMessageX Y Retrieves a message from a specific set of Unix catalog file.
SysGetpid Y+ use SysQueryProcess instead
SysIni Y Y Allows limited access to INI file variables.
SysLinVer Y Returns a string identifying the Linux system version. use SysVersion instead
SysLoadFuncs Y Y Y Loads all RexxUtil functions.
SysLoadLibrary Y Y Loads REXX external function library.
SysLoadRexxMacroSpace Y Y Y Loads functions from a saved macrospace file.
SysMapCase Y Y Performs a national language uppercase mapping to a string.
SysMkDir Y Y Y Creates a specified directory quickly.
SysMoveObject Y Moves an existing Workplace Shell object to the specified destination folder. Warp 3
SysNationalLanguageCompare Y Y Compares two character strings using a country-specific collating table.
SysOpenEventSem Y Y Y Opens an event semaphore.
SysOpenMutexSem Y Y Y Opens an mutex semaphore.
SysOpenObject Y Opens a view of an existing Workplace Shell object. Warp 3
SysOS2Ver Y Returns a string specifying the OS/2 operating system version information. use SysVersion instead
SysPostEventSem Y Y Y Posts an event semaphore.
SysProcessType Y Y Returns the type of process in which the REXX program is running.
SysPulseEventSem Y Y Posts and immediately resets an event semaphore.
SysPutEA Y Writes a named extended attribute to a file.
SysQueryClassList Y Retrieves the complete list of registered object classes.
SysQueryEAList Y Retrieves the complete list of extended attribute names.
SysQueryExtLIBPATH Y Returns the current path to be searched before or after the system LIBPATH. (11 Nov 1997)
SysQueryProcess Y Y Y* Retrieves information about the current process.
SysQueryProcessCodePage Y Y Queries the current code page for the process.
SysQueryRexxMacro Y Y Y Queries the existence of a macrospace function.
SysQuerySwitchList Y Obtains information about the entries in the Window List. (11 Nov 1997)
SysRegisterObjectClass Y Registers a new object class definition.
SysReleaseMutexSem Y Y Y Releases a mutex semaphore.
SysReorderRexxMacro Y Y Y Reorders a routine loaded in the REXX macrospace.
SysRequestMutexSem Y Y Y Requests a mutex semaphore.
SysResetEventSem Y Y Y Resets an event semaphore.
SysRmDir Y Y Y Deletes a specified file directory quickly.
SysSaveObject Y Saves an existing Workplace Shell object. Warp 3
SysSaveRexxMacroSpace Y Y Y Saves the REXX macrospace.
SysSearchPath Y Y Y Searches the specified file path for the specified file.
SysSetExtLIBPATH Y Defines the current path to be searched before or after the system LIBPATH. (11 Nov 1997)
SysSetFileDateTime Y Y Y Modifies the "Last Modified" date and time of file. (18 May 1999)
SysSetFileHandle Y Sets the number of file handles available to the current process.
SysSetIcon Y Associates an icon file with a specified file.
SysSetObjectData Y Changes the settings of an existing object.
SysSetPriority Y Y Changes the priority of the current process.
SysSetProcessCodePage Y Y Changes the current code page for the process.
SysShutDownSystem Y Y Shuts down the operating system.
SysSleep Y Y Y Pauses a REXX program for a specified time interval.
SysStemCopy Y Y Y Copies items from the source stem to the target stem. (18 May 1999)
SysStemDelete Y Y Y Deletes the specified item at the index startitem in the stem. (18 May 1999)
SysStemInsert Y Y Y Inserts a new item at position in the stem. (18 May 1999)
SysStemSort Y Y Y Sorts all or the specified items in the stem. (18 May 1999)
SysSwitchSession Y Y Brings the named window to the foreground. (11 Nov 1997)
SysSystemDirectory Y Returns the Windows system directory.
SysTempFileName Y Y Y Returns a unique file or directory name for a file or directory that does not currently exist.
SysTextScreenRead Y Y Reads characters from a specified screen location.
SysTextScreenSize Y Y Returns the size of the screen.
SysToUnicode Y Maps a character string to a UniCode string.
SysUtilVersion Y Y Y Returns a version number that identifies the current level of the Rexx Utilities package. (18 May 1999)
SysVersion Y Y Y Returns a string to identify the operating system and version. (18 May 1999)
SysVolumeLabel Y Y Returns the volume label for the specified drive.
SysWait Y Waits for all child processes to end.
SysWaitEventSem Y Y Y Waits on an event semaphore.
SysWaitForShell Y Wait for a specific initialization event of the Workplace Shell.
SysWaitNamedPipe Y Y Performs a timed wait on a named pipe.
SysWildCard Y Y Produces an edited file name using a source file name and a wild card editing pattern.
SysWinDecryptFile Y Decrypts a given file.
SysWinEncryptFile Y Encrypts a given file.
SysWinVer Y Returns a string specifying the Windows operating system version information. use SysVersion instead