VBScript Function to Convert an Integer to Binary String Represe
- Time:2020-09-17 10:57:36
- Class:Weblog
- Read:25
Given a Integer, we want to convert it to binary string. We can do this iteratively, by concatenating the modulus by two result and shifting the number 1 position to the right. We also need to check if it is negative number and appending a ‘-‘ sign before the result accordingly.
Implementing the ToBinaryString in VBScript is as follows. The zero is a special case. And to shift an integer one position to the right. We can use the Int(Num/2). The CInt() function will round up the values for example, CInt(3.5) is 4. Thus the Int() function in VBScript is equivalent to the Floor Function.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | Function ToBinaryString(ByVal Num) Dim s, sign: sign = "" If Num < 0 Then sign = "-" Num = -Num ElseIf Num = 0 Then ToBinaryString = "0" Exit Function End If While Num > 0 s = Chr(48 + (Num Mod 2)) & s Num = Int(Num / 2) Wend ToBinaryString = sign & s End Function |
Function ToBinaryString(ByVal Num) Dim s, sign: sign = "" If Num < 0 Then sign = "-" Num = -Num ElseIf Num = 0 Then ToBinaryString = "0" Exit Function End If While Num > 0 s = Chr(48 + (Num Mod 2)) & s Num = Int(Num / 2) Wend ToBinaryString = sign & s End Function
The results are shown in the VBSEdit IDE – and you can verify a few integers from negative 15 to positive 15, respectively.

vbscript-convert-integer-to-binary-in-vbsedit
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