OS Functions
float clock ( ) #
Returns time in seconds (with microsecond precision) passed from the engine start-up. This function returns the time with the highest precision as possible from the operating system.Return value
Time from the application start-up.StringStack<> date ( string format ) #
Returns a current date in the given format.Arguments
- string format - Date format.
The following placeholders can be used to show a date:
- a: abbreviated weekday name (e.g., Sun)
- b: abbreviated month name (e.g., Jan)
- d: date and time (e.g., Thu Feb 8, 00:51)
- s: second (00..60)
- m: minute (00..59)
- h: hour (0..23)
- D: day of month (e.g, 1)
- M: month (1..12)
- Y: year
- W: day of week (0..6); 0 is Sunday
- %: a literal percent character
Return value
Current date in the given format.string date ( string format, long time ) #
Returns a current date and time in the given format. This function can receive a second argument with an Unix timestamp to be converted into a readable format.Arguments
- string format - Date format.
- long time - Unix time stamp to be converted. This is an optional argument.
Return value
Current date and time in the given format.Examples
Source code (UnigineScript)
log.message("%s\n",date("%d\nMonth is %M\nYear is %Y\nDay is %D %b, %a\n"));
log.message("%s\n",date("%2h:%02m:%02s %04Y",));Output
Wed Mar 20, 16:11
Month is 3
Year is 2013
Day is 20 Mar, Wed
16:11:14 2013string getenv ( string name ) #
Gets a value of an environment variable.Arguments
- string name - Variable name.
Return value
Variable value.Variable system ( string command, int wait = 1 ) #
Executes a shell command or commands.Notice
On Windows, this function returns 0 if the wait argument is 0.
Arguments
- string command - Command or commands to execute.
- int wait - Value indicating if the program should wait for completion of command execution:
- 1 to wait for completion. This value is used by default.
- 0 not to wait.
Return value
Exit code of the last executed command if it was executed successfully; otherwise, -1.Examples
Source code (UnigineScript)
// the following instruction will open a command prompt on Windows
system("cmd",1);int time ( ) #
Returns the time since the Epoch (00:00:00 UTC, January 1, 1970), measured in seconds.Return value
Number of seconds since 00:00:00, January 1, 1970.Last update:
25.12.2019
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