by Gareth Lock (DynaByte Software) (3 Submissions)
Category: Files/File Controls/Input/Output
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Sun 20th April 2003
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Creates a completely random file name. (Use as a temporary filespec for ex.) Currently generates MS-DOS 8+3 style filenames using capital A-Z
API Declarations
'Purpose :- Create a random filename.
'Version :- 1.00.0000
'Object :- NameGen (Module)
Option Explicit
VBcoders
' Creates a completely random file name. (Use as a temporary filespec for ex.)
' Currently generates MS-DOS 8+3 style filenames using capital A-Z only. That
' should be enough for most applications when used with "*".
' **************************************************************************
' ** namegen([Extension]) : Returns a random filename. **
' ** [Extension] : Allows you to specify an **
' **extension for the file. If **
' **this is not specified .TMP **
' **is used. Use * to randomize **
' **the extension. **
' **************************************************************************
Public Function namegen(Optional Extension As Variant)
Dim i As Integer, filespec As String, c As Integer, ch As String'Declare Variables.
Dim upperbound As Integer, lowerbound As Integer
Randomize 'Init rnd.
upperbound = 90 'Set char limits.
lowerbound = 65
If IsMissing(Extension) Then 'Do we add .TMP?
Extension = ".TMP"'Add ".TMP".
Else
If Extension = "*" Then'Randomize ext.
Extension = ""'Remove *.
For i = 1 To 3
c = Int((upperbound - lowerbound + 1) * Rnd + lowerbound) 'Pick random ASCII.
ch = Chr(c) 'Convert to char.
Extension = Extension & ch 'Append to Extension.
Next
End If
Extension = "." & Extension'Add the "." to start.
End If
For i = 1 To 8 'Create 8 char f/n.
c = Int((upperbound - lowerbound + 1) * Rnd + lowerbound)'Pick random ASCII.
ch = Chr(c) 'Convert to char.
filespec = filespec & ch'Append to f/n.
Next
filespec = filespec & Extension'Add extension.
namegen = filespec 'Return filename.
End Function
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