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A cross‑reference file contains records that associate fields with access keys, based on name link matches. ReportWriter uses a cross‑reference file when you want to add files to a report based on relationships that aren’t `defined in the repository.
Because a cross‑reference file is optional, one is not included in your distribution. To create a cross‑reference file, use Repository’s Generate Cross‑Reference utility (rpsxref).
Once created, this file is never read or modified by Repository—only ReportWriter reads this file. To ensure that this file contains valid data, you should regenerate it each time you modify your repository.
By default, the cross‑reference file is named rpsxref.ism, and its location is defined with the RPSDAT environment variable. If you want to name your cross‑reference file differently, set the RPSXFIL environment variable to the desired file.
ReportWriter searches for the cross‑reference file as follows:
Move the cross‑reference file following the general guidelines for moving data files to other systems in Moving database files to other systems.