Converting a "set" into lowercase
Solution 1:
How do I convert the contents of a variable to lower case?
Use the following batch file:
SETLOCAL ENABLEDELAYEDEXPANSION
set /p nickname="Please enter your uppercase name!:
rem save the name, use "s in case there are space in the name
set "_UpperNick=nickname"
call LoCase nickname
set "_LowerNick=nickname"
echo _UpperNick
echo _LowerNick
ENDLOCAL
GOTO:EOF
:LoCase
:: Subroutine to convert a variable VALUE to all lower case.
:: The argument for this subroutine is the variable NAME.
SET %~1=!%~1:A=a!
SET %~1=!%~1:B=b!
SET %~1=!%~1:C=c!
SET %~1=!%~1:D=d!
SET %~1=!%~1:E=e!
SET %~1=!%~1:F=f!
SET %~1=!%~1:G=g!
SET %~1=!%~1:H=h!
SET %~1=!%~1:I=i!
SET %~1=!%~1:J=j!
SET %~1=!%~1:K=k!
SET %~1=!%~1:L=l!
SET %~1=!%~1:M=m!
SET %~1=!%~1:N=n!
SET %~1=!%~1:O=o!
SET %~1=!%~1:P=p!
SET %~1=!%~1:Q=q!
SET %~1=!%~1:R=r!
SET %~1=!%~1:S=s!
SET %~1=!%~1:T=t!
SET %~1=!%~1:U=u!
SET %~1=!%~1:V=v!
SET %~1=!%~1:W=w!
SET %~1=!%~1:X=x!
SET %~1=!%~1:Y=y!
SET %~1=!%~1:Z=z!
GOTO:EOF
Source Batch files - How To ... Convert Strings To Upper Case Or Lower Case
Solution 2:
For a predictive character set, this substring Set !var:A=a! works, and only working with predefined substring in bat/cmd.
For this type of task, why not get a little help with c#, which can make it possible to work with unconventional accents and consonants è, È, ä, Ä, ñ, Ñ, ç, Ç etc.
Where the bat/cmd will generate c# code, it will be compiled and executed at run time ....
Which solves possible user inputs, in which the sequence comes with accents and the vowels/consonants are different from the conventional ones [a-z] and/or [A_Z]
Obs: - Also work with nicknames with spaces and/or with compose names
@echo off && setlocal EnableDelayedExpansion
cd /d "%~dp0" && title <nul && title ...\%~dpnx0 /// !time:~0,8! !date!
set "_where=%__appdir__%where.exe" && set "_csc=%windir%\Microsoft.NET"
set "_findstr=%__APPDIR__%\findstr.exe" && del /q /f "%tmp%\ToUpLower.*" 2>nul >nul
>"%temp%\ToUpLower.cs"^
(
echo= using System; namespace SUQ1522019 ^{class Program ^{static void Main(string[] args^) ^{
echo= if (args.Length==2 ^&^& args[0].ToLower(^)=="-l"^) ^{Console.WriteLine(args[1].ToLower(^)^);^}
echo= if (args.Length==2 ^&^& args[0].ToLower(^)=="-u"^) ^{Console.WriteLine(args[1].ToUpper(^)^);^}^}^}^}
) && set "_arg=/t:exe /out:"%temp%\ToUpLower.exe" "%temp%\ToUpLower.cs" /platform:anycpu "
:loop
if exist "%temp%\ToUpLower.exe" goto :next
for /l %%L in (4 -1 2)do for /f "tokens=*" %%i in ('!_where! /r "!_csc!" csc.exe ^|!_findstr! /lic:"\v%%~L\."')do (
set "_compiller="%%~i" !_arg! /unsafe+ /w:0 /o /nologo" && call !_compiller! && set /p "_nick="Please enter nickname: "
if not "!_nick!"=="" (goto :next) else cls && goto :loop
)
:next
for /f tokens^=^*delims^=^" %%# in ('echo[!_nick!') do for /f tokens^=^*delims^=^" %%U in ('
call "%temp%\ToUpLower.exe" -u "%%#"')do set "_up_case_nick=%%~U" && for /f tokens^=^*delims^=^" %%l in ('
call "%temp%\ToUpLower.exe" -l "%%#"')do set "_low_case_nick=%%~l" ) else goto :loop
echo/ Your input nickname is: !_nick!
echo/ Your input upcase is: !_up_case_nick!
echo/ Your input lowcase is: !_low_case_nick!
echo/ >nul 2>nul copy "%tmp%\ToUpLower.exe" "."
del /q /f "%tmp%\ToUpLower.*" >nul 2>nul && endlocal & goto :EOF
- Outputs for input ==
To Up Lower
Please enter nickname: To Up Lower
Your input nickname is: To Up Lower
Your input upcase is: TO UP LOWER
Your input lowcase is: to up lower
The ToUpLower.cs c# code with no escaping:
using System; namespace SUQ1522019 {class Program {static void Main(string[] args) {
if (args.Length==2 && args[0].ToLower()=="-l") {Console.WriteLine(args[1].ToLower());}
if (args.Length==2 && args[0].ToLower()=="-u") {Console.WriteLine(args[1].ToUpper());}}}}
The ToUpLower.cs c# code with no escaping and indented:
using System
namespace SUQ1522019
{
class Program
{
static void Main(string[] args)
{
if (args.Length==2 && args[0].ToLower()=="-l")
{
Console.WriteLine(args[1].ToLower());
}
if (args.Length==2 && args[0].ToLower()=="-u")
{
Console.WriteLine(args[1].ToUpper());
}
}
}
}
- This c# code was compiled/tested on
csc.exeversions:
c:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
c:\Windows\Microsoft.NET\Framework\v3.5\csc.exe
c:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
c:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
c:\Windows\Microsoft.NET\Framework64\v3.5\csc.exe
c:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
- This is the command line used to compile the c# code:
c:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe /t:exe /out:"%tmp%\ToUpLower.exe" "%tmp%\ToUpLower.cs" /platform:anycpu /unsafe+ /w:0 /o /nologo
-
ToUpLower.exeusage UPPER to -> lower
ToUpLower.exe -l STRING
:: if have space, use quote:
ToUpLower.exe -l "THIS STRING"
:: or ..
ToUpLower.exe -L STRING
:: if have space, use quote:
ToUpLower.exe -L "THIS STRING"
-
ToUpLower.exeusage lower to -> UPPER
ToUpLower.exe -u string
:: if have space, use quote:
ToUpLower.exe -u "this string"
:: or ..
ToUpLower.exe -U string
:: if have space, use quote:
ToUpLower.exe -U "this string"
To keep ToUpLower.exe, remove echo/ from copy command:
echo/>nul 2>nul copy "%tmp%\ToUpLower.exe" "."
- This command line will copy
ToUpLower.exefrom%temp%to same the same folder where your bat is running.
Programming Guide C#:
Args
ToLower
ToUpper
-
Edit: This code will compile the C# source code with the first .Net Framework found in this order:
c:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
c:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
c:\Windows\Microsoft.NET\Framework\v3.5\csc.exe
c:\Windows\Microsoft.NET\Framework64\v3.5\csc.exe
c:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
c:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
-
A second option will be to add/join the
ToUpLower.exeexecutable on thebatchfile, using base64 strings and decoding at run time .What you can do using
%__APPDIR__%Certutil.exe, available on Windows.
Obs: - Also work with nicknames with spaces and/or with compose names
@echo off && setlocal EnableDelayedExpansion
cd /d "%~dp0" && title <nul
title ...\%~dpnx0 /// !time:~0,8! !date!
del /q /f "%temp%\ToUpLower.exe" 2>nul >nul
%__APPDIR__%certutil.exe -f -decode "%~dpnx0" "%tmp%\ToUpLower.exe" 2>nul >nul
:loop
cls & echo/ & set /p "_nick="Please enter nickname: "
if not "!_nick!"=="" (
for /f tokens^=^*delims^=^" %%# in ('echo[!_nick!') do for /f tokens^=^*delims^=^" %%U in ('
call "%temp%\ToUpLower.exe" -u "%%#"')do set "_up_case_nick=%%~U" && for /f tokens^=^*delims^=^" %%l in ('
call "%temp%\ToUpLower.exe" -l "%%#"')do set "_low_case_nick=%%~l" ) else goto :loop
echo/ Your input nickname is: !_nick!
echo/ Your input upcase is: !_up_case_nick!
echo/ Your input lowcase is: !_low_case_nick!
echo/ 2>nul >nul copy /y "%tmp%\ToUpLower.exe" "."
del /q /f "%tmp%\ToUpLower.*" >nul 2>nul && endlocal & goto :EOF
rem :: Strings Base64 to decode in run time to generate/use the file: "%tmp%\ToUpLower.exe"
-----BEGIN CERTIFICATE----- TVqQAAMAAAAEAAAA//8AALgAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAgAAAAA4fug4AtAnNIbgBTM0hVGhpcyBwcm9ncmFtIGNhbm5vdCBiZSBydW4gaW4gRE9TIG1vZGUu
DQ0KJAAAAAAAAABQRQAATAEDAPztNl4AAAAAAAAAAOAAAgELAQgAAAYAAAAGAAAAAAAAHiUAAAAgAAAAQAAAAABAAAAg
AAAAAgAABAAAAAAAAAAEAAAAAAAAAACAAAAAAgAAAAAAAAMAQIUAABAAABAAAAAAEAAAEAAAAAAAABAAAAAAAAAAAAAA
ANAkAABLAAAAAEAAAKgCAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAIAAACAAAAAAAAAAAAAAACCAAAEgAAAAAAAAAAAAAAC50ZXh0AAAAJAUAAAAgAAAA
BgAAAAIAAAAAAAAAAAAAAAAAACAAAGAucnNyYwAAAKgCAAAAQAAAAAQAAAAIAAAAAAAAAAAAAAAAAABAAABALnJlbG9j
AAAMAAAAAGAAAAACAAAADAAAAAAAAAAAAAAAAAAAQAAAQgAAAAAAAAAAAAAAAAAAAAAAJQAAAAAAAEgAAAACAAUAtCAA
ABwEAAABAAAAAQAABgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMwAgBPAAAA
AAAAAAKOaRgzIQIWmm8EAAAKcgEAAHAoBQAACiwNAheabwQAAAooBgAACgKOaRgzIQIWmm8EAAAKcgcAAHAoBQAACiwN
AheabwcAAAooBgAACioeAigIAAAKKgBCU0pCAQABAAAAAAAMAAAAdjIuMC41MDcyNwAAAAAFAGwAAAA0AQAAI34AAKAB
AABgAQAAI1N0cmluZ3MAAAAAAAMAABAAAAAjVVMAEAMAABAAAAAjR1VJRAAAACADAAD8AAAAI0Jsb2IAAAAAAAAAAgAA
AUdVAAAJAAAAAPoBMwAWAAABAAAACAAAAAIAAAACAAAAAQAAAAkAAAADAAAAAQAAAAEAAAABAAAAAAAKAAEAAAAAAAYA
OwA0AAYAaQBNAAYAhQBNAAYAtACUAAYA1ACUAAYAAQE0AAYAHAE0AAYARgE2AQAAAAABAAAAAAABAAEAAAAQABgAIAAF
AAEAAQBQIAAAAACRAEIACgABAKsgAAAAAIYYRwAQAAIAAAABAPwAEQBHABQAIQBHABoAKQBHABAAMQAIAR8AMQAQASMA
OQAkASkAMQAuAR8ACQBHABAAQQBHABAAJwBLAC4ALgATADMALgAbADwACAAGAFsABIAAAAAAAAAAAAAAAAAAAAAA8gAA
AAIAAAAAAAAAAAAAAAEAKwAAAAAAAAAAAAA8TW9kdWxlPgBUb1VwTG93ZXIuZXhlAFByb2dyYW0AU1VRMTUyMjAxOQBt
c2NvcmxpYgBTeXN0ZW0AT2JqZWN0AE1haW4ALmN0b3IAU3lzdGVtLlNlY3VyaXR5LlBlcm1pc3Npb25zAFNlY3VyaXR5
UGVybWlzc2lvbkF0dHJpYnV0ZQBTZWN1cml0eUFjdGlvbgBTeXN0ZW0uUnVudGltZS5Db21waWxlclNlcnZpY2VzAENv
bXBpbGF0aW9uUmVsYXhhdGlvbnNBdHRyaWJ1dGUAUnVudGltZUNvbXBhdGliaWxpdHlBdHRyaWJ1dGUAVG9VcExvd2Vy
AGFyZ3MAU3RyaW5nAFRvTG93ZXIAb3BfRXF1YWxpdHkAQ29uc29sZQBXcml0ZUxpbmUAVG9VcHBlcgBTeXN0ZW0uU2Vj
dXJpdHkAVW52ZXJpZmlhYmxlQ29kZUF0dHJpYnV0ZQAABS0AbAABBS0AdQABAAAA1T5f5CmhU0i1Zns61KGndwAIt3pc
Vhk04IkFAAEBHQ4DIAABBSABARENBCABAQgDIAAOBQACAg4OBAABAQ4EAQAAAAgBAAgAAAAAAB4BAAEAVAIWV3JhcE5v
bkV4Y2VwdGlvblRocm93cwGAni4BgIRTeXN0ZW0uU2VjdXJpdHkuUGVybWlzc2lvbnMuU2VjdXJpdHlQZXJtaXNzaW9u
QXR0cmlidXRlLCBtc2NvcmxpYiwgVmVyc2lvbj0yLjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2Vu
PWI3N2E1YzU2MTkzNGUwODkVAVQCEFNraXBWZXJpZmljYXRpb24BAPgkAAAAAAAAAAAAAA4lAAAAIAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAJQAAAAAAAAAAX0NvckV4ZU1haW4AbXNjb3JlZS5kbGwAAAAAAP8lACBAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAEAEAAAABgAAIAAAAAAAAAAAAAAAAAAAAEAAQAAADAAAIAAAAAAAAAAAAAAAAAAAAEAAAAAAEgA
AABYQAAATAIAAAAAAAAAAAAATAI0AAAAVgBTAF8AVgBFAFIAUwBJAE8ATgBfAEkATgBGAE8AAAAAAL0E7/4AAAEAAAAA
AAAAAAAAAAAAAAAAAD8AAAAAAAAABAAAAAEAAAAAAAAAAAAAAAAAAABEAAAAAQBWAGEAcgBGAGkAbABlAEkAbgBmAG8A
AAAAACQABAAAAFQAcgBhAG4AcwBsAGEAdABpAG8AbgAAAAAAAACwBKwBAAABAFMAdAByAGkAbgBnAEYAaQBsAGUASQBu
AGYAbwAAAIgBAAABADAAMAAwADAAMAA0AGIAMAAAACwAAgABAEYAaQBsAGUARABlAHMAYwByAGkAcAB0AGkAbwBuAAAA
AAAgAAAAMAAIAAEARgBpAGwAZQBWAGUAcgBzAGkAbwBuAAAAAAAwAC4AMAAuADAALgAwAAAAPAAOAAEASQBuAHQAZQBy
AG4AYQBsAE4AYQBtAGUAAABUAG8AVQBwAEwAbwB3AGUAcgAuAGUAeABlAAAAKAACAAEATABlAGcAYQBsAEMAbwBwAHkA
cgBpAGcAaAB0AAAAIAAAAEQADgABAE8AcgBpAGcAaQBuAGEAbABGAGkAbABlAG4AYQBtAGUAAABUAG8AVQBwAEwAbwB3
AGUAcgAuAGUAeABlAAAANAAIAAEAUAByAG8AZAB1AGMAdABWAGUAcgBzAGkAbwBuAAAAMAAuADAALgAwAC4AMAAAADgA
CAABAEEAcwBzAGUAbQBiAGwAeQAgAFYAZQByAHMAaQBvAG4AAAAwAC4AMAAuADAALgAwAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAAAAwAAAAgNQAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAA= -----END CERTIFICATE-----
- The commandline used to decode the Base64 to file
"%tmp%\ToUpLower.exe"
%__APPDIR__%certutil.exe -f -decode "%~dpnx0" "%tmp%\ToUpLower.exe" 2>nul >nul
Sorry my limited English