Any valid file number
Number of characters to read from file
A String containing
Reads data from a file into a string variable
InputString should only be used with files
opened in input (
OpenMode.Input) or binary mode
InputString begins reading from the current position of the file pointer.
InputString returns all the characters it reads, regardless of their type. This include spaces, carriage returns, linefeeds, commas, end-of-file markers, unprintable characters, etc.
Once the function finishes reading
charcount characters, it also advances the
If the file c:\data.txt contains the data:
the following code reads the characters, three at a time:
Dim fr As Integer = FreeFile( ) Dim sLine As String Dim i As Long FileOpen(fr, "c:\data2.txt", OpenMode.Input) For i = 1 To LOF(fr) \ 3 sLine = InputString(fr, 3) Console.WriteLine(sLine) Next FileClose(fr)
InputString reads data written to a file using the Print, PrintLine, or FilePut functions.
InputString always attempts to precisely read
charcount characters from the file. If
there are no
charcount characters from the
position of the file pointer to the end of the file,
InputString attempts to read beyond the ...