Have you ever needed to change the format of a date, for example, MMDDYY to YYMMDD? You can write a short subroutine to handle the task or you can use the CVTDAT command. With CVTDAT you can convert any supported date format to MMDDYY, DDMMYY, YYMMDD, the system date format, and Julian formats. The following command will convert a date in MMDDYY format to YYMMDD format:
CVTDAT DATE(&DATE) + TOVAR(&NEWDAT) + FROMFMT(*MDY) + TOFMT(*YMD) + TOSEP(*NONE) Valid FROMFMT and TOFMT parameters are *JOB, *SYSVAL, *MDY, *DMY, *YMD, |TAG SYS|and *JUL.
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You can use CVTDAT in your RPG programs by passing the date to a CL program that runs CVTDAT and passes back the converted date.
The parameter TOSEP lets you specify the type of date separators you wish to use for the converted date. Valid parameters are *JOB, *SYSVAL, *NONE, or a separator character. Valid characters are "/", "-", ".", or ",".
A word of caution! If you use a separator, be sure your TOVAR variable is long enough to hold the date with the separator or your program will bomb. Example: TOVAR(&DATE) must be declared with a length of 8 if TOSEP is TOSEP(/).
Blake Mesenbrink Jonesboro, Arkansas
Business users want new applications now. Market and regulatory pressures require faster application updates and delivery into production. Your IBM i developers may be approaching retirement, and you see no sure way to fill their positions with experienced developers. In addition, you may be caught between maintaining your existing applications and the uncertainty of moving to something new.
IT managers hoping to find new IBM i talent are discovering that the pool of experienced RPG programmers and operators or administrators with intimate knowledge of the operating system and the applications that run on it is small. This begs the question: How will you manage the platform that supports such a big part of your business? This guide offers strategies and software suggestions to help you plan IT staffing and resources and smooth the transition after your AS/400 talent retires. Read on to learn:
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