Difference between revisions of "SYS()"
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Contents
SYS()
Class
Environment
Purpose
Functions to return various system and miscellaneous information
Syntax
SYS(<expN>)
See Also
[[
Description
The SYS() function returns miscellaneous information depending on <expN>. The arguments and operation of this function are as follows:
| Parameter | Description | 
|---|---|
| SYS(0) | Returns complete host system information | 
| SYS(1) | Returns the current system date as a Julian day number in a character string | 
| SYS(2) | Returns the number of seconds elapsed since midnight in a character string | 
| SYS(3) | Returns a unique filename | 
| SYS(5) | Returns the current default directory | 
| SYS(6) | Returns the current PRINT device as set by the SET PRINTER TO command | 
| SYS(7 [,w]) | Returns the name of the current FORMAT file. If no workarea 'w' is specified the current workarea is used | 
| SYS(9) | Returns the Recital license serial number | 
| SYS(10,d) | Returns the numeric day number 'd' as a character string | 
| SYS(11,s) | Returns a date or character string 's' as a character type Julian day number | 
| SYS(12) | Returns remaining available memory in bytes | 
| SYS(13) | Returns the status of the printer as "READY" or "OFF-LINE" | 
| SYS(14,n[,w]) | Returns the index expression for index 'n' in workarea 'w'. If 'w' is omitted then the current workarea is used | 
| SYS(16) | Returns the name of the currently executing program | 
| SYS(17) | Returns the CPU type number | 
| SYS(18) | Returns the name of the GET field being entered | 
| SYS(21) | Returns the order number of the master index. Note: if the master index is a tag, SYS(21) will always return 1. | 
| SYS(22) | Returns the master index: the tagname or single index file name. If the master index is a tag, then SYS(22) returns the tag name in upper case. If the master index is a single index, then SYS(22) returns the index file name in lower case, including the file extension. | 
| SYS(100) | Returns the status of the CONSOLE setting as "ON" or "OFF" | 
| SYS(101) | Returns the DEVICE setting as "SCREEN" or "PRINT" | 
| SYS(102) | Returns the PRINT setting as "ON" or "OFF" | 
| SYS(103) | Returns the TALK setting as "ON" or "OFF" | 
| SYS(2000,s[,1]) | Returns the name of the first file matching the pattern 's'. If the third parameter is included the next matching file is returned | 
| SYS(2001,s[,1]) | Returns the current value of the set option 's'. The optional '1' can be used to return the character setting of certain SET COMMANDS, e.g. ALTERNATE | 
| SYS(2002[,1]) | Turns the cursor OFF (sys(2002)) or ON (sys(2002,1)) | 
| SYS(2003) | Returns the default directory | 
| SYS(2004) | Returns the starting directory for the current process | 
| SYS(2005) | Returns the currently available resource file | 
| SYS(2006) | Returns "VGA/Color" for color terminals, "Mono" for non-color terminals. | 
| SYS(2008 [,<expC> [,<expN>]]) | Language compatibility only. | 
| SYS(2010) | Return the maximum number of open files for the current user | 
| SYS(2011) | Returns the current lock status, no lock is placed on the record by this command | 
| <expC>]) | FOXPRO must be set. | 
| SYS(2015) | Returns a unique 10-character string that begins with an underscore | 
| SYS(2017) | Re display sign on screen | 
| SYS(2019) | Get name and location of current configuration file | 
| SYS(3000) | Returns the options string from the Recital license | 
| SYS(5000) | Returns amount of currently allocated physical memory for strings | 
| SYS(5001) | Returns amount of memory allocated for strings | 
| SYS(5002) | Returns amount of currently allocated memory for indexes | 
| SYS(5003) | Returns amount of currently allocated memory for symbol table nodes | 
| SYS(6000,n) | Returns the assigned Hot-Key procedure for key 'n', as defined by the SET KEY TO command | 
| SYS(6001) | Returns current DO level as a character string | 
| SYS(9000) | Returns .T. (true) if the runtime environment is active, .F. (false) if the development environment is active. | 
| SYS(9001) | Returns .T. (true) if the environment was invoked with the system windows defined, .F. (false) otherwise. | 
Example
? sys(5) /usr/recital/UD/
Products
Recital Database Server, Recital Mirage Server, Recital Terminal Developer
