Re: "extract" command enhancement

[boldt@xxxxxxxxxx]

Paul wrote:
>How 'bout the following %BIF's. They seem like a good
>choice but maybe they've been discounted earlier in
>this thread:
>
>%DAY
>%MONTH
>%YEAR
>%CEN
>%DATE
>%TIME
>- %HOUR
>- %MIN
>- %SEC
>- %MSEC
>
>Eg:
>Eval  Day = %Day(Timestamp)
>Eval  %Day(Timestamp) = 31
>
>or
>
>Eval %Date(Timestamp) = ISODate
>Eval CurTime = %Time(Timestamp)
>
>etc.
>
>This seems pretty intuitive but obviously I do not
>have the whole picture from the language development
>point of view.
>
>Comments?

The idea hasn't been publically discounted, at least not until
now.

We have something else in mind for those names.  For example:

       newdate = olddate - %years(1) + %days(17)

as an expression alternative to SUBDUR and ADDDUR.  To
overload the names with EXTRCT functionality would, IMHO, be
too confusing.

BTW, we're also thinking of allowing expressions like:

       timestamp = date + time
       time = %time(timestamp)
       date = %date(timestamp)
       dur = %diff(date1:date2:*years)
       eurstr = %char(date:*eur)
       date = %date(str:*dmy)
       etc.

Cheers!  Hans

Hans Boldt, ILE RPG Development, IBM Toronto Lab, boldt@ca.ibm.com


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