@echo off
echo 1 & for /f "delims=" %%a in (";") do echo %%a
echo 2 & for /f "delims=" %%a in (";.") do echo %%a
echo 3 & for /f "delims=" %%a in (".;") do echo %%a
echo 4 & for /f "delims=" %%a in (".;.") do echo %%a
pause
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1
2
3
.;
4
.;.
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@echo off & mode 80,300

set "ASCII_20_7E=                                 !"#$%%^&'()*+,-./0123456789:;^<=^>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^^_`abcdefghijklmnopqrstuvwxyz{^|}~"
set ASCII_20_7E

setlocal enabledelayedexpansion

set /a cnt=0x20
for /l %%i in (0x20 1 0x7e) do (
    for /f "eol=delims=" %%j in ("!ASCII_20_7E:~%%i,1!") do (
        if "%%j"=="!" echo ASCII-33
        if "%%j"=="^" echo ASCII-94
        echo !cnt!  [%%j]
        set /a cnt+=1
    )
)
pause
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    for /f "tokens=1*" %%j in ("$ !str:~%%i,1!") do (
        if "%%k" neq "" (
           if "!#%%k!" neq "" (
              if "!#%%k!" lss "%%k" (set Ans=!Ans! %%k-!$%%k!) else set Ans=!Ans! %%k-!$#%%k!
           ) else if "!$%%k!" neq "" (set Ans=!Ans! %%k-!$%%k!)else set Ans=!Ans! %%k-61
        ) else set Ans=!Ans! %%k-33
    )
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for /F "tokens=2,3* delims=,"eol^= %%a in .....
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for /f delims^=^ eol^= %%j in ("!var!") do ...
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