![]() ![]() '-h:m' - negative shift of timezone hours and minutes Timezone shifts are specified in the following formats: '+h:m' - shift timezone by 'h' hours and 'm' minutes Time-only values are shifted using the following formats: 'h:m:s' - shift time by 'h' hours, 'm' minutes and 's' seconds Here are some general rules and examples to explain how shift strings are interpreted:ĭate-only values are shifted using the following formats: 'Y:M:D' - shift date by 'Y' years, 'M' months and 'D' days Date-only and time-only values may also be shifted, and an optional timezone (eg. Time shifts are applied to standard EXIF-formatted date/time values (eg. Return value:Įrror string, or undef on success and the input date/time string is shifted by the specified amount. 2016:01:30 11:45:00).ġ) Shift string (see below) with optional leading sign for shift direction.Ģ) Direction of shift (-1 or +1), or 0 or undef to use the sign from the shift string.ģ) Reference to time-shift hash - filled in by first call to ShiftTime, and used in subsequent calls to shift date/time values by the same relative amount (see "TRICKY" section below).Ġ) Shift string (and $_ contains the input date/time string). $err = Image::ExifTool::ShiftTime($dateTime, $shift) Inputs:Ġ) Date/time string in EXIF format (eg. Shift date/time value use Image::ExifTool This module contains routines used by ExifTool to shift date and time values. Image::ExifTool:: - ExifTool time shifting routines DESCRIPTION ExifTool Date/Time Shift Module ExifTool Date/Time Shift Module ![]()
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