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Level I

Convert separate DATE and TIME columns in formats YYYYMMDD and HHMMSS into a single column



I manage an addin for my company where all data is imported into JMP via command line utilities owned by our automation team. My addin translates a users request into a formatted command and issues the command in the background. The data is returned back as a text file on the users system. My addin can then load the data from the text file.


The issue that I have is that the columns vary based on the users request. But, each table has a DATE (Format: YYYYMMDD) and TIME (Format: HHMMSS) column that are consistently there. I have not found a way to open a text file where I specify the formats for some columns but let JMP interperet the data types for the rest.


The current implementation requires that I convert the DATE and TIME columns into character types, format the time into the HHMMSS with leading 0's, and then loop through the table to parse the DATE column into a date and convert the HH, MM, and SS parts into seconds so that I can add them to the DATE portion.


dt = Current Data Table();

:DATE << Data Type(character);
:TIME << Data Type(character);
:TIME << Set Each Value(Repeat("0", 6-Length(:TIME))||:TIME);

dt << New Column("DATETIME");
:DATETIME << Format("m/d/y h:m:s");

For Each Row(
	:DATETIME[Row()] = Parse Date(:DATE[Row()], "YYYYMMDD") + 
	In Hours(Num(Substr(:TIME[Row()], 1, 2))) + 
	In Minutes(Num(Substr(:TIME[Row()], 3, 2))) + 
	Num(Substr(:TIME[Row()], 5))


Is there a cleaner way to join the DATE and TIME columns into a single DATETIME column?