如何在 Windows 批处理脚本中将 %USERNAME% 的值转换为小写? [英] How to convert the value of %USERNAME% to lowercase within a Windows batch script?

问题描述

我正在使用 dot bat 脚本自动化一些源代码控制软件功能，但鉴于我们的 svn 存储库托管在 *NIX 框中，我面临着这两个世界之间永恒的案例问题.

I'm automating some source control software functionality using a dot bat script but given that our svn repos are hosted in a *NIX box, I'm facing the eternal case problem between these two worlds.

有没有cmd.exe函数可以把Windows系统变量%USERNAME%的值转成小写?

Is there any cmd.exe function to convert the value of the Windows system variable %USERNAME% to lower case?

非常感谢！

推荐答案

a quick google found 这个...

a quick google found this...

@echo off
goto :end_remarks
*************************************************************************************
*
*
*    authored:Sam Wofford
*    Returns lowercase of a string
*    12:13 PM 11/13/02
**************************************************************************************
:end_remarks
setlocal
set errorlevel=-1
if {%1}=={} echo NO ARG GIVEN&call :Help &goto :endit
if {%1}=={/?} call :Help &goto :endit
call :set_LCASE_array a b c d e f g h i j k l m n o p q r s t u v w x y z

:start
set input=%1
set input=%input:"=%
set totparams=0
call :COUNT_PARAMS %input%
call :MAKE_LOWERCASE %input%
set errorlevel=
echo %convertedstring%
endlocal
goto :eof
:endit
echo %errorlevel%
endlocal
goto :eof

:MAKE_LOWERCASE
:nextstring
if {%1}=={} goto :eof
set string=%1
set /a params+=1
set STRINGCONVERTED=
set pos=0
:NEXT_CHAR
set onechar=%%string^:^~%pos%,1%%
for /f "tokens=1,2 delims==" %%a in ('set onechar') do for /f %%c in ('echo %%b') do call :checkit %%c
if not defined STRINGCONVERTED goto :NEXT_CHAR
shift /1
if %params% LSS %totparams% set convertedstring=%convertedstring% &:add one space,but not at end
goto :nextstring
goto :eof

:Help
echo USAGE:%~n0 string OR %~n0 "with spaces"
echo function returns the lowercase of the string or -1 (error)
echo strings with embedded spaces needs to be in quotes Ex. "lower case"
echo in a batch NTscript "for /f %%%%A in ('lcase STRING') do set var=%%%%A"
set errorlevel=
goto :eof

:checkit
set LCFOUND=
if /i {%1}=={echo} set STRINGCONVERTED=Y&goto :eof
set char=%1
for /f "tokens=2 delims=_=" %%A in ('set LCASE_') do call :findit %%A %char%
:skipit
if defined LCFOUND (set convertedstring=%convertedstring%%ucletter%) else (set convertedstring=%convertedstring%%char%)
set /a pos+=1
goto :eof

:set_LCASE_array
:setit
if {%1}=={} goto :eof
set LCASE_%1_=%1
SHIFT /1
goto :setit

:findit
if defined LCFOUND goto :eof
set ucletter=%1
set lcchar=%2
if /i {%ucletter%}=={%lcchar%} set LCFOUND=yes
goto :eof

:COUNT_PARAMS
:COUNTPARAMS
if {%1}=={} goto :eof
set /a totparams+=1
shift /1
goto :COUNTPARAMS 

将其作为文件 (lowercase.cmd) 添加到您的路径中，您应该能够将其称为Lowercase.cmd %Username%"，如果需要，您可以将其通过管道传输到另一个命令中.

add that as a file (lowercase.cmd) to your path and you should be able to call it as "Lowercase.cmd %Username%", you could pipe it into another command if needed.

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