DATASET—Query the Current and Original Data Set Names

The DATASET assignment statement retrieves these items and places them in selected variables:

The name of the data set into which the data currently being edited will be stored
The name of the data set from which the data currently being edited originated
The library concatenation number of the originating data set
The path name of the file (when editing a z/OS® UNIX file)

Syntax


Assignment statement syntax

>>-ISREDIT--(var1,var2,var3)-- = --DATASET---------------------><

var1: The name of a variable to contain the name of the data set currently being edited. The data set name is fully qualified without quotation marks (').
When editing a z/OS UNIX file, the path name of the file.
var2: The name of a variable to contain the name of the data set where the data currently being edited originated from. The data set name is fully qualified without quotation marks ('). If the data currently being edited is new, a blank is returned in this variable. If the original data is deleted, the name of the data set where the data currently being edited originated from is still returned in this variable.
var3: The library concatenation number of the original data set. If the data currently being edited is new, zeros are returned.

To place the name of the data set you are editing and the library concatenation number in the variables &CURDSN and &LIBNUM:

ISREDIT (CURDSN, ,LIBNUM) = DATASET