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Tip of the Day
Language: Visual Basic
Expertise: Beginner
Jan 16, 1998

WEBINAR:

On-Demand

Application Security Testing: An Integral Part of DevOps


Append data to a text file

Question:
How do I append information to a file? This information is inserted by the user, into a text box, and then a command button is clicked to update the text file. Everytime I perform the operation I end up erasing the pre-existing text in the file.

Answer:
When you prepare to output the new data, make sure you open the file For Append:

  Dim hFile As Long
  hFile = FreeFile
  Open "MyFile.Dat" For Append As #hFile
    Print #hFile, NewData$
  Close #hFile
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