[MacPerl] Follow-up on Posix::strftime

[Awrobinson@aol.com]

A couple of weeks ago I asked about problems and documentation for the Posix
strftime() function. I found a man page on my Solaris system at work and tried
the various formats with MacPerl. Here's the results I got:


The current time is August 7, 1998  23:45:57

%a - locale's abbreviated weekday name: Fri
%A - locale's full weedday name: Friday
%b - locale's abbreviated month name: Aug
%B - locale's full month name: August
%c - locale's appropriate date and time representation: Aug  7 23:45:57 1998
%C - century number (year divided by 100): C
%d - day of month, single digits preceded by 0: 07
%D - date as mm/dd/yy:  7
%e - day of month, single digits preceded by space: e
%h - locale's abbreviated month name: h
%H - hour (24 hr clock), single digits preceded by 0: 23
%I - hour (12 hr clock), single digits preceded by 0: 11
%m - month, single digits preceded by 0: 08
%M - Minute (00,59), leading zero permitted but not required: 45
%n - insert a newline: n
%p - locale's equivalent of either a.m. or p.m.: PM
%r - appropriate time representation in 12-hour clock format with %p: r
%R - time as hh:mm: R
%S - seconds (00,59): 57
%t - insert a tab: t
%T - time as hh:mm:ss: T
%u - weekday as number (1,7) with Sunday as 1: u
%U - week number of year (00,53), with Sunday as first day of week: 31
%V - week number of year (01,53), with Monday as first day of week: V
%w - weekday as number (0,6), starting with Sunday: 5
%W - week number of year (00,53), with Monday as first day of week: 31
%x - locale's appropriate date representation: Aug  7 1998
%X - locale's appropriate time representation: 23:45:57
%y - year within century (00,99): 98
%Y - year, including century: 1998
%Z - time zone name or abbreviation: 


Remembering the Posix pod admonition to look at check the local os version of
strftime, I also remembered I had an old copy of Think C/C++. Checking the
documentation for it, I found it defined these formats: %a, %A, %b, %B, %c,
%d, %H, %I, %j, %m, %M, %p, %S, %U, %w, %W, %x, %X, %y, %Y, and %Z. These
correspond closely, though not exactly, with the formats that worked. Would
the formats recognized by the MacPerl version of Posix::strftime depend on the
C compiler used to build MacPerl? Any way to know what those formats are
without having that particular compiler's documentation?

Thanks!

Andrew Robinson

PS: While the formats used in the example I was trying are not defined in
MacPerl, there certainly are enough formats available to do what I wanted.
This ain't what I would call a high priority issue, just something I was
curious to follow through on.

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