VMS Help MERGE, Specification File Qualifiers, /PAD  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Allows you to specify a pad character to use when reformatting
    records or when comparing strings of unequal length.

    Format

      /PAD=single-character

  Additional Information (explode) :

• Qualifier Value
• Full Description
• Example