@echo off
::unequal symbols
for %%i in ("!", "x") do if "%1" equ "%%~i" goto:error
::display help information args
for %%i in ("-h", "/h", "-help", "/help") do (
if "%1" equ "%%~i" goto:help
)
if "%1" equ "-?" goto:help
if "%1" equ "/?" goto:help
::interactive mode
if "%1" equ "" (
if not defined run goto:interactive
goto:error
)
::parsing input data
setlocal enabledelayedexpansion
::checking is arg hex or dec
2>nul set /a "res=%1"
if "%1" equ "%res%" goto:dec2hex
::patterns
echo "%1" | findstr /r \x > nul
set e1=%errorlevel%
echo "%1" | findstr /r [0-9a-f] > nul
set e2=%errorlevel%
echo "%1" | findstr /r [g-wyz] > nul
set e3=%errorlevel%
::parsing error codes
if %e1% equ 0 if %e2% equ 0 if %e3% equ 1 set "k=%1" & goto:hex2dec
if %e1% equ 1 if %e2% equ 0 if %e3% equ 1 set "k=0x%1" & goto:hex2dec
goto:error
:dec2hex
2>nul set /a "num=%1"
set "map=0123456789ABCDEF"
for /l %%i in (1, 1, 8) do (
set /a "res=num & 15, num >>=4"
for %%j in (!res!) do set "hex=!map:~%%j,1!!hex!"
)
for /f "tokens=* delims=0" %%i in ("!hex!") do set "hex=0x%%i"
echo %1 = !hex! & goto:eof
:hex2dec
set "num=%k%"
if "%num:~0,1%" equ "x" goto:error
2>nul set /a "res=%k%"
for /f "tokens=2,3" %%i in ('findstr "# " "%~dpnx0"') do set "num=!num:%%i=%%j!"
if "%res%" neq "" (echo !num! = !res!) else goto:error
endlocal
exit /b
:error
if defined run echo =^>err & goto:eof
echo Invalid data.
exit /b 1
:help
::Hex2dec v1.10 - converts hex to decimal and vice versa
::Copyright (C) 2012 Greg Zakharov
::
::Usage: hex2dec [decimal | hexadecimal]
::
::Example 1:
:: C:\>hex2dec 0x017a
:: 0x017A = 378
::
::Example 2:
:: C:\>hex2dec 13550
:: 13550 = 0x34EE
::
::Example 3:
:: C:\>hex2dec 23f
:: 0x23F = 575
for /f "tokens=* delims=:" %%i in ('findstr "^::" "%~dpnx0"') do echo.%%i
exit /b 0
rem :: Upper case chart ::
# a A
# b B
# c C
# d D
# e E
# f F
rem :: End of chart ::
:interactive
::interactive mode on
echo Hex2dec v1.10 - converts hex to decimal and vice versa
echo.
setlocal
::marker - already launched
set run=true
:begin
set /p "ask=>>> "
cmd /c "%~dpnx0" %ask%
if "%ask%" equ "clear" cls
if "%ask%" equ "exit" cls & goto:eof
echo.
goto:begin
endlocal
exit /b
