12/24/2023 0 Comments Convert hex to win32 file time format![]() ![]() Note that this code works for Perl 5.6, which Math::BigInt lacks proper hex conversion functions : thanks a lot to ysth for the 5.6 equivalent as the as_hex(). Join the result if you need the "raw" Fileformat Hex numbers are read the same way, but each digit counts power of 16 instead of power of 10. For this reason the result is a coma separated list which was expected by the registry. A regular decimal number is the sum of the digits multiplied with power of 10. In my case this was usefull to write computed times into the registry, which allowed to control start and stop times of some windows functions and services. This function takes for argument a time in the form of a ($sec,$min,$hour,$mday,$mon,$year) list and returns the equivalent date in the Filetime format. The FileTime is an internal win32 date format described by microsoft as "a 64-bit value representing the number of 100-nanosecond intervals since Janu(UTC)". The unbiased interrupt-time count does not include time the system spends in sleep or hibernation.This is a perl 5.6 function that will do a SystemTimeToFileTime conversion, without using Win32::API. Gets the current unbiased interrupt-time count, in a more precise form than QueryUnbiasedInterruptTime does. The unbiased interrupt-time count does not include time the system spends in sleep or hibernation. Gets the current unbiased interrupt-time count. Gets the current interrupt-time count, in a more precise form than QueryInterruptTime does. The following function is used with interrupt time. FunctionĬonvertAuxiliar圜ounterToPerformanceCounterĬonverts the specified auxiliary counter value to the corresponding performance counter value optionally provides the estimated conversion error in nanoseconds due to latencies and maximum possible drift.ĬonvertPerformanceCounterToAuxiliar圜ounterĬonverts the specified performance counter value to the corresponding auxiliary counter value optionally provides the estimated conversion error in nanoseconds due to latencies and maximum possible drift. The following functions are used with the auxiliary performance counter. Retrieves the frequency of the high-resolution performance counter. Retrieves the current value of the high-resolution performance counter. The following functions are used with high-resolution performance counters. Retrieves the number of milliseconds that have elapsed since the system was started. ![]() Retrieves the number of milliseconds that have elapsed since the system was started, up to 49.7 days. You are about to save the document in a Text-Only format, which will remove all. The following functions are used with Windows time. cnv file (using SBE Data Processings Data Conversion module), and then use. FunctionĬonverts MS-DOS date and time values to a file time.Ĭonverts a file time to MS-DOS date and time values. The following functions are used with MS-DOS date and time. Sets the date and time that the specified file or directory was created, last accessed, or last modified. Retrieves the date and time that the specified file or directory was created, last accessed, and last modified.Ĭonverts a local file time to a file time based on UTC. FunctionĬonverts a file time to system time format. The following functions are used with file time. Sets the current time zone and dynamic daylight saving time settings.Ĭonverts a UTC time with dynamic daylight saving time settings to a specified time zone's corresponding local time.Ĭonverts a local time with dynamic daylight saving time settings to UTC time. Retrieves the time zone settings for the specified year and time zone. Retrieves the current time zone settings. ![]() Retrieves the current local date and time. Retrieves a range, expressed in years, for which a DYNAMIC_TIME_ZONE_INFORMATION has valid entries. GetDynamicTimeZoneInformationEffectiveYears Retrieves the current time zone and dynamic daylight saving time settings. FunctionĮnumerates dynamic daylight saving time information entries stored in the registry.Ĭonverts a UTC file time to a local file time. The following functions are used with local time. Retrieves the current system date and time in UTC format.ĭetermines whether the system is applying periodic time adjustments to its time-of-day clock.įormats a system time as a time string for a specified locale.Ĭonverts the specified local time to system time.Ĭonverts the specified system time to the number of seconds since the first second of January 1, 1970.Įnables or disables periodic time adjustments to the system's time-of-day clock.Ĭonverts a UTC time to a specified time zone's corresponding local time. The following functions are used with system time. ![]()
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