Accessing Time Data
Developing TACL Programs
107365 Tandem Computers Incorporated 2–19
Converting a Timestamp As noted previously, you can retrieve timestamps from the system in a three-word or
four-word format. In addition, the #FILEINFO function returns timestamps in a three-
word or four-word format, depending on the option you select. After you obtain the
timestamp, you can include it in a function call, use it for calculations, or display it.
Use the functions and commands in Table 2-4 to convert between time and date
representations. CONTIME is an abbreviation for converted time.
Table 2-4. Timestamp Conversion Functions
Starting Timestamp Ending Timestamp Function
Four-word (Julian) Numeric date, including Julian day #INTERPRETTIMESTAMP
Three-word Numeric date #CONTIME
Numeric date Four-word #COMPUTETIMESTAMP
Numeric date Julian day number #COMPUTEJULIANDAYNO
Three-word Four-word #CONVERTTIMESTAMP
Four-word Three-word #CONVERTTIMESTAMP
Julian day number Numeric date #INTERPRETJULIANDAYNO
Numeric date Textual date _CONTIME_TO_TEXT
Numeric date Textual date without time _CONTIME_TO_TEXT_DATE
Numeric date Textual time _CONTIME_TO_TEXT_TIME
In addition, the _MONTH3 function translates a two-digit month number to a three-
letter month abbreviation.
Figure 2-7 shows the TACL functions that transform system timestamps from four-
word and three-word formats to display format. Figure 2-8 shows how to convert
timestamps returned by #FILEINFO into different formats.
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