Special Forums Windows & DOS: Issues & Discussions Convert "hex" foldername to "ascii" Post 303038500 by wisecracker on Wednesday 4th of September 2019 03:22:56 PM
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.
# Quick and dirty convert hex to char to demonstrate the Windows CMD.EXE method.

# Hex value '0x41' is 'A'.
DECIVAL=$( printf "%d" "0x${HEXVAL}" )
/usr/local/bin/dash -c "exit ${DECIVAL}"
CHAR=$( 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.
# ECHO %=exitcodeAscii%

Result of the demo, OSX 10.14.3, default bash terminal calling 'dash'.
Last login: Wed Sep  4 20:04:57 on ttys000
AMIGA:amiga~> cd Desktop/Code/Shell
AMIGA:amiga~/Desktop/Code/Shell> ./hex_char.sh
AMIGA:amiga~/Desktop/Code/Shell> _

(I have actually used the RC method for peeking memory on the AMIGA in Python.)
Have fun...
Test Your Knowledge in Computers #351
Difficulty: Medium
Unix was hatched in an unnamed PDP-7 operating system in 1969.
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