To do this task is not trivial in CMD.EXE, I don't know about PowerShell.
(Boy oh boy, the last time I did a '.BAT' file was in 2013 in AudioScope.sh.)
Here is the method used in CMD.EXE translated to UNIX.
Inside the code are the two main batchfile lines to do the task from decimal to character.
Code:
#!/usr/local/bin/dash
# Quick and dirty convert hex to char to demonstrate the Windows CMD.EXE method.
# Hex value '0x41' is 'A'.
HEXVAL="41"
DECIVAL=$( printf "%d" "0x${HEXVAL}" )
/usr/local/bin/dash -c "exit ${DECIVAL}"
RC=$?
CHAR=$( printf \\$( printf "%o" "${RC}" ) )
echo "${CHAR}"
# REM Windows CMD.EXE "terminal", (might even work in COMMAND.COM for 32 bit Windows).
# REM A starter to get a quick and dirty ASCII character from decimal.
# REM Converting hex to decimal is just a couple of lines away.
# REM Looping through each hex pair should be easy.
#
# CMD.EXE /C EXIT 65
# ECHO %=exitcodeAscii%
Result of the demo, OSX 10.14.3, default bash terminal calling 'dash'.
Code:
Last login: Wed Sep 4 20:04:57 on ttys000
AMIGA:amiga~> cd Desktop/Code/Shell
AMIGA:amiga~/Desktop/Code/Shell> ./hex_char.sh
A
AMIGA:amiga~/Desktop/Code/Shell> _
(I have actually used the RC method for peeking memory on the AMIGA in Python.)
Have fun...
Absolutely - BUT - we are talking about Windows here and not UNIX, and the OP wanted it in Windows CMD[.EXE] or PowerShell.
I was showing the procedure, (rigmarole), as close as possible using a UNIX script. I can't remember the full sequence because it was years ago when I did it, but at least this is a starter.
In those days one had to convert any HEX to DECIMAL to be inserted into the EXIT code and I am sure you still have to do it that way...
SETting the variables, converting from hex to deci, and FOR loops in a FILE.BAT script should be second nature for a CMD.EXE batch file expert.
As I quoted, paraphrasing, "doing it in a CMD.EXE CLI is NOT trivial"...
AS I quoted before I don't know about PowerShell as I never really got into it, as, much like a standard batch file, IMHO, it is convoluted to code with.
Last edited by wisecracker; 09-05-2019 at 04:50 PM..
Reason: Add the CMD.EXE image.
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