![]() You're right about XP - it's not native, but can be installed - the first hit from google =>. You still have access to FOR tokens ,and you can use Overlapped setlocal/endlocal and parentheses - it's realyĪmazing. I don't completely understand everything in your code ,īut for a first time I pay enough attention to I thought that the line identificators and spaces between HEXes in encoded file are mandatory.īut it can process the file even without them ! Never came to my mind to try that - this makes its use far more easier. >nul 2>&1 certutil -f -encodehex "!tempFile!.txt" "!tempFile!.hex"įor /f "usebackq tokens=1*" %%A in ("!tempFile!.hex") do ( :: output may be sent to the screen by specifying an empty quoted :: The RtnVar must be specified to use this option. :: /C - Compress option: All spaces are stripped from the output. ![]() :: StrVar - The name of the variable containing the string to be encoded. :: Print the results to the screen (stdout) if RtnVar is not specified. :: Encode the string within variable StrVar as hexadecimal. update - added a /C (compress) option to strip spaces from the output The output contains just the encoded hex data, without the leading address info and without the trailing ASCII representation. I have also written a script to go in reverse - STR2HEX.BAT. To get a LF variable, you can use CALL HEX2STR 0A LF ![]() :: RtnVar - The optional name of a variable used to store the result. :: delimited by one or more space, tab, or new line characters. :: encoded as a pair of hexadecimal digits. :: HexStr - The hex encoded string to be converted. :: The screen output will be truncated at the first occurance of 0x1A. :: Print the result to to screen (stdout) if RtnVar is not specified. :: contains 00 (the encoding for the nul byte). :: Convert a hexadecimal encoded string HexStr into a text string. The script will work properly regardless whether delayed expansion is enabled or not. Also, any 00 will show up on the screen as a space. Here is a working HEX2STR.BAT script that can convert any string encoded as hex into a valid text string with 2 exceptions:ġ) if the result is returned in a variable then the hex string cannot contain 00 (the nul character)Ģ) if the result is printed to the screen and not stored in a variable then the result will be truncated at the first occurence of 1A. Your attempt to create a variable with LF and CR is doing exactly what I would expect it to do. Unfortunately, CERTUTIL is not standard on XP, though I believe there is a download that can be installed. I love the encocdehex / decodehex options. Very very cool - I've never seen this command before. Here's a how forfiles can be used for hex symbols Theoretically you can invent your own alphabet and language, encode it and produce strings.Code: Select all 0000ė3 65 74 20 78 3d 15 0dĪnyway there are few more things that I want to try with this The string for a given hex number will depend on the programming language of the string. For example, the ASCII representation of upper case A is 65 and the lower case a is 97. In the ASCII code, each of these characters are assigned a decimal number from 0 to 127. These are the 26 letters of the English alphabet (both in lower and upper cases) numbers from 0 to 9 and various punctuation marks. The original ASCII is based on 128 characters. This is how a computer ‘understands’ and shows text. Originally developed from telegraphic codes, ASCII is now widely used in electronic communication for conveying text.Īs computers can only understand numbers, the ASCII code represents text (characters) with different numbers. ASCII (American Standard Code for Information Interchange) is one of the most common character encoding standards.
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