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- !Windows Commandline Tricks
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- Verify Calling Parent Process
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- WAN IP Address
- Web Scraping
- Winbatch Findstr Equivalent
- Working with RAR Files
- Write to USB Port
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Convert Hex to Ascii
Keywords: Convert Hex Ascii
Question:
Does anyone have a hex to ascii routine?I have muddled around alittle but haven't been able to get anything good working...
It starts off with: input=AskLine("", "Enter Something To Be Converted", "48656c6c6f20576f726c64") length=strlen(input) If length Mod 2 <> 0 Message("", "Invalid Hex Values") Exit EndIf
Answer:
Try this:
#DefineFunction udfHexToByte (hexstr)
hexstr = StrUpper(StrTrim(hexstr))
n1 = Char2Num(StrSub(hexstr,1,1))-48
n2 = Char2Num(StrSub(hexstr,2,1))-48
Return (((n1-7*(n1>9))<<4)+(n2-7*(n2>9)))
; note: must be StrLen(hexstr)=2
#EndFunction
sInput = "48656c6c6f20576f726c64"
iLength = StrLen(sInput)
If ((iLength mod 2) <> 0)
Message("", "Invalid Hex Values")
Exit
EndIf
sAscii = ""
For i=1 To iLength By 2
sHex = StrSub(sInput,i,2)
iByte = udfHexToByte (sHex)
sAscii = StrCat(sAscii,Num2Char(iByte))
Next
Message(sInput,sAscii)
Exit
Article ID: W15964
File Created: 2004:03:30:15:42:04
Last Updated: 2004:03:30:15:42:04