batch-file Deprecated batch commands and their replacements DEBUG


Example

DEBUG command was used to create binaries/executabled from batch file. The command is still available in 32bit versions of windows , but is able to create binaries only with 16bit instructions with makes it unusable for 64bit machines. Now CERTUTIL is used for that purpose which allows to decode/encode binary/media files from HEX or BASE64 formats.Example with a file that creates icon file:

@echo off

del /q /f pointer.jpg >nul 2>nul
certutil -decode "%~f0" pointer.jpg
hh.exe pointer.jpg
exit /b %errorlevel%

-----BEGIN CERTIFICATE-----
/9j/4AAQSkZJRgABAgAAZABkAAD/7AARRHVja3kAAQAEAAAAMgAA/+4ADkFkb2Jl
AGTAAAAAAf/bAIQACAYGBgYGCAYGCAwIBwgMDgoICAoOEA0NDg0NEBEMDg0NDgwR
DxITFBMSDxgYGhoYGCMiIiIjJycnJycnJycnJwEJCAgJCgkLCQkLDgsNCw4RDg4O
DhETDQ0ODQ0TGBEPDw8PERgWFxQUFBcWGhoYGBoaISEgISEnJycnJycnJycn/8AA
EQgACgAKAwEiAAIRAQMRAf/EAFsAAQEBAAAAAAAAAAAAAAAAAAAGBwEBAQAAAAAA
AAAAAAAAAAAAAAEQAAIBAwQDAAAAAAAAAAAAAAEDAgARBSExIwQSIhMRAQEBAAAA
AAAAAAAAAAAAAAARIf/aAAwDAQACEQMRAD8A13PZ5eIX3gO8ktKZfFPksvQ8r4uL
ecJmx1BMSbm8D6UVKVcg/9k=
-----END CERTIFICATE-----

Here's the same with hex format:

@echo off

(echo 0000    ff d8 ff e0 00 10 4a 46  49 46 00 01 02 00 00 64)   >pointer.hex
(echo 0010    00 64 00 00 ff ec 00 11  44 75 63 6b 79 00 01 00)   >>pointer.hex
(echo 0020    04 00 00 00 32 00 00 ff  ee 00 0e 41 64 6f 62 65)  >>pointer.hex
(echo 0030    00 64 c0 00 00 00 01 ff  db 00 84 00 08 06 06 06)   >>pointer.hex
(echo 0040    06 06 08 06 06 08 0c 08  07 08 0c 0e 0a 08 08 0a)   >>pointer.hex
(echo 0050    0e 10 0d 0d 0e 0d 0d 10  11 0c 0e 0d 0d 0e 0c 11)   >>pointer.hex
(echo 0060    0f 12 13 14 13 12 0f 18  18 1a 1a 18 18 23 22 22)   >>pointer.hex
(echo 0070    22 23 27 27 27 27 27 27  27 27 27 27 01 09 08 08)   >>pointer.hex
(echo 0080    09 0a 09 0b 09 09 0b 0e  0b 0d 0b 0e 11 0e 0e 0e)   >>pointer.hex
(echo 0090    0e 11 13 0d 0d 0e 0d 0d  13 18 11 0f 0f 0f 0f 11)   >>pointer.hex
(echo 00a0    18 16 17 14 14 14 17 16  1a 1a 18 18 1a 1a 21 21)   >>pointer.hex
(echo 00b0    20 21 21 27 27 27 27 27  27 27 27 27 27 ff c0 00)   >>pointer.hex
(echo 00c0    11 08 00 0a 00 0a 03 01  22 00 02 11 01 03 11 01)   >>pointer.hex
(echo 00d0    ff c4 00 5b 00 01 01 01  00 00 00 00 00 00 00 00)   >>pointer.hex
(echo 00e0    00 00 00 00 00 00 06 07  01 01 01 00 00 00 00 00)   >>pointer.hex
(echo 00f0    00 00 00 00 00 00 00 00  00 00 01 10 00 02 01 03)   >>pointer.hex
(echo 0100    04 03 00 00 00 00 00 00  00 00 00 00 01 03 02 00)   >>pointer.hex
(echo 0110    11 05 21 31 23 04 12 22  13 11 01 01 01 00 00 00)   >>pointer.hex
(echo 0120    00 00 00 00 00 00 00 00  00 00 00 11 21 ff da 00)   >>pointer.hex
(echo 0130    0c 03 01 00 02 11 03 11  00 3f 00 d7 73 d9 e5 e2)   >>pointer.hex
(echo 0140    17 de 03 bc 92 d2 99 7c  53 e4 b2 f4 3c af 8b 8b)   >>pointer.hex
(echo 0150    79 c2 66 c7 50 4c 49 b9  bc 0f a5 15 29 57 20 ff)   >>pointer.hex
(echo 0160    d9                                              )   >>pointer.hex

certutil -decodehex "pointer.hex" pointer.jpg
hh.exe pointer.jpg
exit /b %errorlevel%

As you can see hex requires additional temp file and hex format expansions is bigger