(VBScript) MIME Header Q and B Encoding and Decoding

Demonstrates how to Q and B encode/decode.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sb = CreateObject("Chilkat.StringBuilder")

success = sb.Append("This is a test")

outFile.WriteLine(sb.GetEncoded("B","utf-8"))
' output is:
' =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=

outFile.WriteLine(sb.GetEncoded("Q","iso-8859-1"))
' output is:
' =?utf-8?Q?This_is_a_test?=

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sb2 = CreateObject("Chilkat.StringBuilder")

success = sb2.Append("=?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=")
success = sb2.Decode("B","utf-8")
outFile.WriteLine(sb2.GetAsString())

' output is:
' This is a test

sb2.Clear 
success = sb2.Append("=?utf-8?Q?This_is_a_test?=")
success = sb2.Decode("Q","utf-8")
outFile.WriteLine(sb2.GetAsString())

' output is:
' This is a test

' "B" or "Q" will decode both B and Q.
sb2.Clear 
success = sb2.Append("=?utf-8?Q?This_is_a_test?= 123 =?utf-8?B?VGhpcyBpcyBhIHRlc3Q=?=")
success = sb2.Decode("Q","utf-8")
outFile.WriteLine(sb2.GetAsString())

' output is:
' This is a test 123 This is a test

outFile.Close