SYNOPSIS
string strftime()
string strftime(string fmt)
string strftime(int clock)
string strftime(string fmt, int clock)
string strftime(string fmt, int clock, int localized)
DESCRIPTION
The function strftime() formats the given time in <clock> as a formatted
string, similar to ctime(). Unlike ctime(), strftime() accepts a format
string with placeholders for the different elements. The format string
consists of zero or more conversion specifiers (see below) and ordinary
characters. Ordinary charaecters are just copied to the result. A
conversion specifier starts with a percent sign ('%'). If no format
string is given, a default of "%c" will be used.
The argument <clock> is the number of seconds since the epoch (00:00:00
UTC, January 1, 1970), as returned by time/mktime(). If <clock> is not
given, the current result of time() will be used.
The argument <localized> specifies, whether the result will be in english
(the classic "C" locale) or in the language configured on the host
computer (e.g. german). The language has to be configured with the
environment variables LC_TIME or LC_ALL (please ask your admins). If
<localized> is not given, the default is 1.
0: use classic "C" locale (english)
1: use current locale on the host computer (national representation).
REMARKS:
The resulting string is at most 511 character long.
CONVERSION SPECIFIERS:
This function accepts all conversion specifiers, which the function
strftime() from the C library accepts. Currently these are:
%A is replaced by national representation of the full weekday name.
%a is replaced by national representation of the abbreviated weekday
name.
%B is replaced by national representation of the full month name.
%b is replaced by national representation of the abbreviated month name.
%C is replaced by (year / 100) as decimal number; single digits are
preceded by a zero.
%c is replaced by national representation of time and date.
%D is equivalent to ``%m/%d/%y''.
%d is replaced by the day of the month as a decimal number (01-31).
%E* %O*
POSIX locale extensions. The sequences %Ec %EC %Ex %EX %Ey %EY %Od
%Oe %OH %OI %Om %OM %OS %Ou %OU %OV %Ow %OW %Oy are supposed to
provide alternate representations.
Additionally %OB implemented to represent alternative
months names (used standalone, without day mentioned).
%e is replaced by the day of month as a decimal number (1-31); single
digits are preceded by a blank.
%F is equivalent to ``%Y-%m-%d''.
%G is replaced by a year as a decimal number with century. This year
is the one that contains the greater part of the week (Monday as
the first day of the week).
%g is replaced by the same year as in ``%G'', but as a decimal number
without century (00-99).
%H is replaced by the hour (24-hour clock) as a decimal number (00-23).
%h the same as %b.
%I is replaced by the hour (12-hour clock) as a decimal number (01-12).
%j is replaced by the day of the year as a decimal number (001-366).
%k is replaced by the hour (24-hour clock) as a decimal number (0-23);
single digits are preceded by a blank.
%l is replaced by the hour (12-hour clock) as a decimal number (1-12);
single digits are preceded by a blank.
%M is replaced by the minute as a decimal number (00-59).
%m is replaced by the month as a decimal number (01-12).
%n is replaced by a newline.
%O* the same as %E*.
%p is replaced by national representation of either "ante meridiem" or
"post meridiem" as appropriate.
%R is equivalent to ``%H:%M''.
%r is equivalent to ``%I:%M:%S %p''.
%S is replaced by the second as a decimal number (00-60).
%s is replaced by the number of seconds since the Epoch, UTC (see
mktime(3)).
%T is equivalent to ``%H:%M:%S''.
%t is replaced by a tab.
%U is replaced by the week number of the year (Sunday as the
first day of the week) as a decimal number (00-53).
%u is replaced by the weekday (Monday as the first day of
the week) as a decimal number (1-7).
%V is replaced by the week number of the year (Monday as the
first day of the week) as a decimal number (01-53). If the week
containing January 1st has four or more days in the new year,
then it is week 1; otherwise it is the last week of the previous
year, and the next week is week 1.
%v is equivalent to ``%e-%b-%Y''.
%W is replaced by the week number of the year (Monday as the
first day of the week) as a decimal number (00-53).
%w is replaced by the weekday (Sunday as the first day of the week)
as a decimal number (0-6).
%X is replaced by national representation of the time.
%x is replaced by national representation of the date.
%Y is replaced by the year with century as a decimal number.
%y is replaced by the year without century as a decimal number (00-99).
%Z is replaced by the time zone name.
%z is replaced by the time zone offset from UTC; a leading plus sign
stands for east of UTC, a minus sign for west of UTC, hours and
minutes follow with two digits each and no delimiter between
them (common form for RFC 822 date headers).
%+ is replaced by national representation of the date and time
(the format is similar to that produced by date(1)).
%% is replaced by `%'.
BUGS
There is no conversion specification for the phase of the moon.
EXAMPLES
write(strftime("Today is %A, %d. %B %Y.\n"))
results in "Today is Monday, 24. September 2007.\n"
HISTORY
Introduced in LDMud 3.3.718.
SEE ALSO
ctime(E), gmtime(E), localtime(E), mktime(E), time(E), utime(E)
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