Input/Output to a text file
This code demonstrate a simple procedure for reading and writing to and from a text file. Level: Beginners
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' Example ' Write and read from a text file ' for beginners ' ' Note: this type of read/write will ' only allow for one line to be ' writen or read from a file. ' A seperate file must be used in ' each instance using this method. ' This is not the best method, but ' probably the easiest. ' =============================== ' ' Author: G. M. Faggiano ' Faggiano Internet Business Development ' http://fibdev.com ' vb@fibdev.com ' ====================================== ' ' Step 1, ' Create a new project and save it or open ' an existing project ' Step 2, ' Put a textbox object on form1 ' Step 3, ' place two command buttons, command1 and ' command2 ' Step 4, ' In the project directory create a text file ' and name it test.txt ' General Declarations ' Variable to hold the location ' of the text file Dim txtPath As String ' Variable to hold the text to ' be writen to the text file Dim txtOut As String ' Variable to hold the text ' to be read from the text file Dim txtIn As String Private Sub Command1_Click() ' Set variable to hold the location ' of the text file txtPath = App.Path & "\test.txt" ' error handle file location If InStr(thefile, "\\") Then _ thefile = App.Path & "test.txt" ' set variable as the contence of the ' text box txtOut = Text1.Text ' open the text file to be ' writen to Open txtPath For Output As #1 ' write the contence of the variable to ' the text file Print #1, txtOut ' close the text file Close #1 ' clear the text box Text1.Text = "" End Sub Private Sub Command2_Click() ' Set variable to hold the location ' of the text file txtPath = App.Path & "\test.txt" ' error handle the variable If InStr(thefile, "\\") Then _ thefile = App.Path & "test.txt" ' open the text file to be read from Open txtPath For Input As #1 ' set the input variable to the contence ' of the text file Input #1, txtIn ' set the text box text to the variable Text1.Text = txtIn ' close the file Close #1 End Sub Upload
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