将绝对路径转换为批处理文件中的相对路径
问题描述:
是否可以将绝对路径转换为批处理文件中的相对路径? (与this相反)。显然你需要两个输入:转换的绝对路径,以及一个你希望它被相对化的绝对参考路径。将绝对路径转换为批处理文件中的相对路径
如:
Path to convert: c:\documents\mynicefiles\afile.txt
Reference path: c:\documents
Result: mynicefiles\afile.txt
答
@echo off
setlocal EnableDelayedExpansion
set Path_to_convert=c:\documents\mynicefiles\afile.txt
set Reference_path=c:\documents
set Result=!Path_to_convert:*%Reference_path%\=!
echo Result: %Result%
答
这里是工作,如果你想从一个字符串的开始删除%CD%的另一种方法。速度很慢,但如果情况允许,可以降低循环次数。
call :removeCommonAtStart outvar C:\Users\Public\Documents\ASUSAccess
:removeCommonAtStart
:: Description: loops through two strings and sets new variable representing unique data
:: Required parameters:
:: name - name of the variable to be returned
:: test - string to have common data removed from start
:: Optional parameters:
:: remove - string if not defined then use %cd% as string.
:: Required functions:
:: removelet
set name=%~1
set test=%~2
set remove=%~3
if not defined remove set remove=%cd%
set endmatch=
FOR /L %%l IN (0,1,150) DO if not defined notequal call :removelet
goto :eof
:removelet
:: Description: called by removeCommonAtStart to remove one letter from the start of two string variables
:: Required preset variables:
:: test
:: remove
:: name
set test=%test:~1%
set %name%=%test:~1%
set remove=%remove:~1%
if "%test:~0,1%" neq "%remove:~0,1%" set notequal=on&exit /b
goto :eof
谢谢,这似乎很好地工作!我从来没有见过这种语法,请你提供一个解释或链接? – 2012-04-20 04:28:53
我也是upvoting,因为它的作品,即使我讨厌说,我不知道为什么。 – 2012-04-22 18:55:22
类型:'SET /?',并在“环境变量替换已被增强如下:%PATH:str1 = str2%”下寻找解释,并且还在“延迟的环境变量扩展允许您...” – Aacini 2012-04-23 22:00:22