I'm trying to get a batch file containing a simple function that get parameter/s and return values. Actually i'm not able to do this!
test.bat:
@echo off
setlocal EnableDelayedExpansion
set arg=bar
echo my args %*
echo my new value %arg%
endlocal&set %~1=%arg%
main.bat:
@echo off
setlocal EnableDelayedExpansion
set var1=foo
echo Old value: %var1%
call test.bat %var1%
echo New value: %var1%
This is what the console return:
Old value: foo
my args: foo
my new value: bar
New value: foo
In main.bat you need to echo the value content of %foo% not the value content of %var1%:
Change:
echo New value: %var1%
To:
Echo New value: !%var1%!
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