Sub string a variable with variable

Question

I have a .bat file that needed to substring a variable with another variable. The the substring will be inside a loop. I have two variable inside this loop.

echo %%i  

echo %targetPath%

%%i is the full string. And I have to remove part of %%i if found a match string with %targetPath%

My coding which is not working.

echo  %%i%:%targetPath%=%

My couldn't get it to work because I am confused with the %%name and %name%. This is my expected result. In php , we have a substring function that able to pass the fullstring into substring function and a keyword to be match. And this is what I trying to achieve

fullstr=abcdefghijk
keyword=abcd

result=efghijk

Current working code

setlocal EnableDelayedExpansion 

set "targetPath=%~dp0in"

for /r "%targetPath%" %%i in (.) do (

set "str=%%i"
echo  !str:%targetPath%=!

)

Current output

echo  !str:C:\Users\vuser01\Desktop\Texture Packer\libgdxtools\in=!

This type of management is fully described at this answer, although the topic is different. — Aacini
– Aacini, Commented Sep 20, 2017 at 14:46

npocmaka · Accepted Answer · 2017-09-20 06:49:20Z

2

you can use delayed expansion:

setlocal enableDelayedExpansion
set "target=some"
for %%i in ("something") do (
 set "var=%%i"
 echo !var:%target%!
)

answered Sep 20, 2017 at 6:49

npocmaka

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5 Comments

Leon Armstrong Over a year ago

can it done without a loop? I am trying to make it simple as possible as I am not familiar with writing batch. I have updated my question to provide more information

npocmaka Over a year ago

@LeonArmstrong - you can.Just you mentioned that your code is withing a for loop.

Leon Armstrong Over a year ago

echo !str:%targetPath%=! I try to use this line within the code , it is not running

npocmaka Over a year ago

@LeonArmstrong do you have the setlocal enableDelayedExpansion line before that?

Leon Armstrong Over a year ago

Yes I have , I edited the question to provide more information , guess I have other syntax that affect the output.

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