The size of the terminal screen in character rows.
$screenheight
A number. Cannot be reset by an application program.
$ScreenHeight gives the height of the terminal screen in character rows.
In graphic environments, the number of rows depends on the font and point size used in the application window (BACKSCREEN).
The elapsed number of seconds since 12:00 am, 1 January 1970.
$timesecs
A number. Cannot be reset by an application program.
The number of seconds that have elapsed since 12:00 am on 1 January 1970.
This variable is useful for measuring the number of seconds between two events.
The current date.
$date
A number in date format (YYYYMMDD). Cannot be reset by an application program.
The current date, as set in the operating system.
From the zim prompt:
out $date
This extracts the DATE from the TIMESTAMP and then prints the proper $DayName.
OUT $DayName($GetUTCDate($TimeSecs))
The logical width of the current window in columns.
$window pswidth
A number. Cannot be reset by an application program.
The logical width of the current window in character columns.
The $WindowPSWidth function is reset when the current window changes.
The logical height of the current window in rows.
$windowpsheight
A number. Cannot be reset by an application program.
The logical height of the current window in character rows.
The $WindowPSHeight function is reset when the current window changes.
Indicates if the application user has pressed the “break” key.
$breakflag
Binary. Can be reset by an application program.
At the start of an application session, $BreakFlag is set to “0” ($False). Set to “1” ($True) if the application user presses the “break” key. The application program must reset the variable to “0” ($False) to be able to detect subsequent user interrupts.
The number of records processed by the most recent set-processing command.
$membercount
A number. Can be reset by an application program.
The number of records processed by the most recent set-processing command.
Indicates the operating system under which ZXCLIENT is currently running.
$ClientOS
A number according to the following table. It cannot be reset by an application program.
| Value | Operating System |
|---|---|
| 1 | Microsoft Windows |
| 4 | Linux in General |
| 5 | Android |
| 6 | iOS |
| 7 | OS X |
File system path to the directory in which the application database is stored.
$dbpath
A character string. Cannot be reset by an application program.
The $DBPath function is set to the value of the DBPath entry in the registry, or the value of the [ZIM] environment variable. If neither of the preceding values is set, the variable is set to the null string (which is interpreted as the current disk directory).
To indicate the current DBPath directory in a file name, start the name with a double quotation mark (“) character.
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