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Handling trailing backslash & directory names with spaces in batch files – Stack Overflow

Posted by jpluimers on 2013/04/04

Thanks Jeb for answering this:

You can solve it with delayed expansion, because delayed expansion works different than percent expansion.

:START
setlocal EnableDelayedExpansion
@echo What folder do you want to process? (Provide a path without a closing backslash)
set /p datapath=

::Is string empty?
IF X!datapath! == X GOTO:START

::Does string have a trailing slash? if so remove it
IF !datapath:~-1!==\ SET "datapath=!datapath:~0,-1!"

echo !datapath!

It expands later than the percent expansion, and after the delayed expansion no more parsing is done, so even spaces or special characters have any effect.

–jeroen

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