Extracts the Nth character of a CHAR or CLOB variable

By | February 13, 2017

This function extracts the Nth character of a CHAR or CLOB variable. This function runs much faster than the usual functions such as mid$or seg$ when managing large CLOB data.



  • CLOB_SOURCE has been declared by using a Clbfile or a Char
  •  POSITION has been declared by using an Integer
  • EXTRACTED_CHARACTER has been declared by using a Clbfile or a Char


# Find the 10th character in a CLOB
Local Clbfile PI_CHAR(0)
Local Char CHAR10
  PI_CHAR=num$(pi) : # contains “3.14158265358979323846264338328”
  CHAR10=Xgetchar(PI_CHAR,10) : # Returns “5”

Hope this blog helps!

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