將char轉換爲小寫批處理

我在嘗試將Windows路徑轉換爲cygwin樣式的linux路徑時遇到了問題。例如，C：\ path \ to \ file將會是/ cygdrive/c/path/to/file。除了將從路徑中拉出的大寫驅動器號轉換爲小寫字母之外，我有所有工作。鏈接大家給出了這些問題是：將char轉換爲小寫批處理

http://www.robvanderwoude.com/battech_convertcase.php

和下環「SET，以兩個」似乎是最合適的。這是我到目前爲止有：

@ECHO OFF 
SETLOCAL ENABLEDELAYEDEXPANSION 

SET CWRSYNCHOME=%~dp0 

echo the windows path is %CWRSYNCHOME% 
for /f "tokens=1,2 delims=:" %%a in ("%CWRSYNCHOME%") do (
set "manip1=%%a" 
set "manip2=%%b" 
echo starts as /cygdrive/!manip1!!manip2:\=/! 
FOR %%i IN ("A=a" "B=b" "C=c" "D=d" "E=e" "F=f" "G=g" "H=h" "I=i" "J=j" "K=k" "L=l" "M=m" "N=n" "O=o" "P=p" "Q=q" "R=r" "S=s" "T=t" "U=u" "V=v" "W=w" "X=x" "Y=y" "Z=z") DO SET "manip1=%manip1:!%%i!%"&echo doing: "manip1=%manip1:!%%i!%"&echo now its !manip1! 
set "CYGLIKEHOME=/cygdrive/!manip1!!manip2:\=/!" 
) 
echo the converted path is %CYGLIKEHOME% 
PAUSE 
GOTO :EOF

我得到的輸出是：

the windows path is E:\cwRsync_5.5.0_x86_Free\SANDBOX\ 
starts as /cygdrive/E/cwRsync_5.5.0_x86_Free/SANDBOX/ 
the converted path is /cygdrive/ "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its "manip1=" 
now its /cwRsync_5.5.0_x86_Free/SANDBOX/ 
Press any key to continue . . .

是有更好的方法來轉換一個單一字符爲小寫？如果沒有，你們可以在設置CYGLIKEHOME時看到我做錯了嗎？

謝謝

來源

2016-04-21 Drew

爲什麼你不使用cygpath的轉換？ – matzeri

[這裏有一些其他可能的想法]（http://stackoverflow.com/a/34723215/1683264）。 – rojo

!%%i!毫無意義可言。

%manip1:!%%i!%應該!manip1:%%~i!

來源

2016-04-21 18:30:41 Stephan

完美！謝謝。 – Drew

將char轉換爲小寫批處理

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