REXX Utility Functions
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 |