getdate man page on HP-UX

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getdate(3C)							   getdate(3C)

       getdate() - convert user format date and time

   Obsolescent Interface
       The  function  converts	user definable date and/or time specifications
       pointed to by string into a The structure declaration is in the	header
       file (see ctime(3C)).

       User-supplied  templates	 are  used  to	parse  and interpret the input
       string.	The templates are text files created by the user  and  identi‐
       fied  via  the  environment variable should be set to indicate the full
       path name of the template file.	The first line in  the	template  that
       matches	the input specification is used for interpretation and conver‐
       sion into  the  internal	 time  format.	 Upon  successful  completion,
       returns a pointer to a otherwise, it returns NULL and the symbol is set
       to indicate the error.

       The following field descriptors are supported:

	      same as
	      abbreviated weekday name
	      full weekday name
	      abbreviated month name
	      full month name
	      locale's appropriate date and time representation
	      century number (00 through 99; leading zeros are	permitted  but
	      not required)
	      day of the month (01 through 31; the leading 0 is optional)
	      same as
	      date as
	      abbreviated month name
	      hour (00 through 23)
	      hour (01 through 12)
	      month number (01 through 12)
	      minute (00 through 59)
	      same as
	      locale's equivalent of either
			AM or PM
	      time as
	      time as
	      seconds (00 through 61)
	      insert a tab
	      time as
	      weekday number (Sunday = 0 through Saturday = 6)
	      locale's appropriate date representation
	      locale's appropriate time representation
	      year without century (00 through 99).  For inputs
			69-99,	the  20th  century (1900s) is assumed, and for
			inputs 00-68, the 21st century (2000s) is assumed.
	      year as	ccyy (e.g., 1986)
	      time zone name or no characters if no time zone exists.
			If the time zone supplied by is not the	 same  as  the
			time  zone  expects, an invalid specification error is
			returned.  calculates the expected time zone from  the
			environment variable.

       Month and weekday names may consist of any combination of uppercase and
       lowercase letters.  The user can request that the input	date  or  time
       specification  be  in  a specific language by setting the category (see

       For descriptors that allow leading zeros, leading zeros	are  optional.
       However,	 the  number  of  digits  used	for those descriptors must not
       exceed two, including leading zeros.  Extra whitespace  in  either  the
       template file or in string is ignored.

       The field descriptors and are not supported if they include unsupported
       field descriptors.

       The following example shows the possible contents of a template:

       The following are examples of valid input specifications for the	 above

       If  the	category  is set to a German locale that includes as a weekday
       name and as a month name, the following would be valid:

       This example shows how local date and time specification can be defined
       in the template:

	      │	       Invocation	  │ Line in Template │
	      │getdate("11/27/86")	  │ %m/%d/%y	     │
	      │getdate("27.11.86")	  │ %d.%m.%y	     │
	      │getdate("86-11-27")	  │ %y-%m-%d	     │
	      │getdate("Friday 12:00:00") │ %A %H:%M:%S	     │
       The  following rules apply when converting the input specification into
       the internal format:

	      ·	 If only the weekday is given, today is assumed if  the	 given
		 day is equal to the current day, and next week if it is less.

	      ·	 If  only  the month is given, the current month is assumed if
		 the given month is equal to the current month, and next  year
		 if  it	 is  less  and	no year is given (the first day of the
		 month is assumed if no day is given).

	      ·	 If no hour, minute and second are given,  the	current	 hour,
		 minute and second are assumed.

	      ·	 If  no	 date  is given, today is assumed if the given hour is
		 greater than the current hour and tomorrow is assumed	if  it
		 is less.

       The following examples help to illustrate the above rules assuming that
       the current date is and the category is set to the default locale.

	      │		    │ Line in  │			      │
	      │	  Input	    │ Template │	     Date	      │
	      │Mon	    │ %a       │ Mon Sep 22 12:19:47 EDT 1986 │
	      │Sun	    │ %a       │ Sun Sep 28 12:19:47 EDT 1986 │
	      │Fri	    │ %a       │ Fri Sep 26 12:19:47 EDT 1986 │
	      │September    │ %B       │ Mon Sep 1 12:19:47 EDT 1986  │
	      │January	    │ %B       │ Thu Jan 1 12:19:47 EST 1987  │
	      │December	    │ %B       │ Mon Dec 1 12:19:47 EST 1986  │
	      │Sep Mon	    │ %b %a    │ Mon Sep 1 12:19:47 EDT 1986  │
	      │Jan Fri	    │ %b %a    │ Fri Jan 2 12:19:47 EST 1987  │
	      │Dec Mon	    │ %b %a    │ Mon Dec 1 12:19:47 EST 1986  │
	      │Jan Wed 1989 │ %b %a %Y │ Wed Jan 4 12:19:47 EST 1989  │
	      │Fri 9	    │ %a %H    │ Fri Sep 26 09:00:00 EDT 1986 │
	      │Feb 10:30    │ %b %H:%S │ Sun Feb 1 10:30:00 EST 1987  │
	      │10:30	    │ %H:%M    │ Tue Sep 23 10:30:00 EDT 1986 │
	      │13:30	    │ %H:%M    │ Mon Sep 22 13:30:00 EDT 1986 │
   Obsolescent Interface
       converts user format date and time.  Also see the section.

       Upon failure, returns NULL and the symbol is set to indicate the error.

       The following is a complete list of the settings and their  interpreta‐

		 environment variable is null or undefined,

	      the template file cannot be opened for reading,

	      failed to get file status information,

	      the template file is not a regular file,

	      an error is encountered while reading the template file,

	      memory allocation failed (not enough memory available),

	      there is no line in the template that matches the input,

	      invalid input specification.  For example,
		 February  31;	or the time specified cannot be represented in
		 the data type in 32-bit HP-UX (which represents Tuesday Janu‐
		 ary  19  03:14:07 UTC, 2038) or exceeds the maximum date sup‐
		 ported in 64-bit HP-UX (which is Friday December 31  23:59:59
		 UTC, 9999).

       The  return  value  for	points to data whose content is overwritten by
       each call by the same thread.

       is an obsolescent  interface  supported	only  for  compatibility  with
       existing DCE applications. New multi-threaded applications should use

       ctime(3C), ctype(3C), setlocale(3C), strftime(3C), thread_safety(5).


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