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6e01fc8dce
Added new _STRCMP and _STRICMP commands for quick string comparisons. Cleaned up QB64 to finish removing the QUI (quick user insert) code and folders. Altered UCASE and LCASE routines to be faster in some situations for us.
48 lines
1.8 KiB
Plaintext
48 lines
1.8 KiB
Plaintext
The '''DATE$''' statement sets the current computer date to another [[STRING]] value.
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:::''Syntax:'' DATE$ = String_expression
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* String expression can use slash or dash formats when assigning the date:
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::::mm-dd-yyyy
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::::mm/dd/yyyy
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* String expression or variable must contain the months, day and 4 digit year to be changed (10 valid characters).
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* If value is not a valid formatted string, a "Type Mismatch" error results. The previous DATE$ value will be retained.
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* The current date (as assigned when the operating system was initialized) can be saved to restore later with the [[DATE$]] function.
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*The DATE$ function returns a 10-character string in the form ''mm-dd-yyyy''. ''mm'' is the month (01 to 12), ''dd'' is the day (01 to 31), and ''yyyy'' is the four digit year.
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* '''Note: Some systems may not allow the DATE to be reset or require Administrator privileges.''' Try a batch file or [[SHELL]].
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* [[Keywords_currently_not_supported_by_QB64#Keywords_Not_Supported_in_Linux_or_MAC_OSX_versions|Keyword Not Supported in Linux or MAC versions]]
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''Example:'' Backdating computer to run old software.
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{{CodeStart}}
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today$ = {{Cl|DATE$}} ' function saves current computer date value
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PRINT today$ ' verify actual date
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{{Cl|DATE$ (statement)|DATE$}} = "12-25-2000" ' literal statement changes date
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PRINT {{Cl|DATE$}} ' verify new date setting
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{{Cl|SHELL}} "CMD /C " + programfile$ 'run old program
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K$ = {{Cl|INPUT$}}(1) ' press a key
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DATE$ = today$ ' statement resets computer to original date later in program
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PRINT {{Cl|DATE$}} ' verify present setting
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{{CodeEnd}}
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{{OutputStart}}
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09-01-2009
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12-25-2000
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09-01-2009
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{{OutputEnd}}
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''See also:''
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[[DATE$]], [[TIME$]], [[TIME$ (statement)]]
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{{PageNavigation}} |