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Validate variable names are unique when writing SAS Xport files #362

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Validate variable names are unique when writing SAS Xport files#362

Description

@sasutils
sasutils
opened on Mar 27, 2026

write_xpt() does not check if the variable names are unique when writing SAS XPORT format files.
SAS variable names are case insensitive so a data.frame like this should be rejected.

df <- data.frame(name='joe',Name='Joe')

Similar to previous issue with STATA files #46

Activity

  1. evanmiller
    closed this as completedin 8884b6bon Oct 12, 2026
  2. hpoettker
    added a commit that references this issue on Oct 12, 2026

    Reject case-insensitive duplicate variable names in SAS writers (Fixes …

    8884b6b
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