You can use IEBGENER to add members to a partitioned data set or PDSE. IEBGENER creates the members from sequential input and adds them to the data set. The merge operation—the ordering of the partitioned directory—is automatically performed by the program.

Figure 1 shows how sequential input is converted into members that are merged into an existing partitioned data set or PDSE. The left side of the figure shows the sequential input that is to be merged with the partitioned data set or PDSE shown in the middle of the figure. Utility control statements are used to divide the sequential data set into record groups and to provide a member name for each record group. The right side of the figure shows the expanded partitioned data set or PDSE. Note that members B, D, and F from the sequential data set were placed in available space and that they are sequentially ordered in the partitioned directory.

Figure 1. Adding Members to a Partitioned Data Set or PDSE Using IEBGENER