Ruby

Get a Mail-Merge Replace Pattern

Demonstrates the Chilkat Email.GetReplacePattern method, which returns a replacement pattern — the search string — previously defined for mail-merge operations with SetReplacePattern. The index is zero-based. This example defines two patterns and enumerates them.

Background: In Chilkat's mail-merge, each entry is a pattern (a placeholder token such as FIRST_NAME) paired with a replacement string. GetReplacePattern retrieves the search side of the pair at a given index; GetReplaceString retrieves the matching replacement. Reading them back is useful for inspecting or logging exactly which substitutions will be applied when the message is sent.

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require 'chilkat'

#  Demonstrates the GetReplacePattern method, which returns a replacement pattern (the
#  search string) previously defined for mail-merge operations with SetReplacePattern.
#  The index is zero-based.

email = Chilkat::CkEmail.new()
email.put_Subject("Hello FIRST_NAME")
email.put_Body("Dear FIRST_NAME, welcome to CITY.")

email.SetReplacePattern("FIRST_NAME","John")
email.SetReplacePattern("CITY","Denver")

n = email.get_NumReplacePatterns()

for i in 0 .. n - 1
    print "Pattern " + i.to_s() + ": " + email.getReplacePattern(i) + "\n";
end