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sincos2007

Hi Steffen,

I see.

thanks for your help.

sincos2007

@echo off set str=" 1234567" call :func1 %str% echo Press any key to exit... pause>NUL goto :eof :func1 setlocal EnableDelayedExpansion set "str=%~1" echo func1: {%str%} call :func2 %str% endlocal goto :eof :func2 setlocal EnableDelayedExpansion set "str=%1" echo func2: {%str%} endlocal goto :eof b...

sincos2007

Hi Steffen,

Thanks for your code, it works fine.

In my real project, there are several other variables in for loop, which works with the loop together. The variable n is abstraction of them.

sincos2007

Hi IcarusLives,

By my test, your code works fine.

Thanks

sincos2007

Hi IcarusLives,

Could you show me how to expand !count_of_chars! inside ()?

Thanks

sincos2007

hi Steffen, I have test the code you post, it really works. Thanks. There is another code related to this topic which not work: :test4 echo on setlocal EnableDelayedExpansion set "input_line=1234567" set "n=1" for /l %%i in (1,1,7) do ( set "count_of_chars=!n!" echo !input_line:~0,%count_of_chars%! ...

sincos2007

Code: Select all

:test2
echo on

setlocal EnableDelayedExpansion
set "input_line=1234567"
set "count_of_chars=2"

echo %input_line:~0,!count_of_chars!%

endlocal
goto :eof

I hope to print 12, but the result is incorrect. variable count_of_chars is necessary.

Thanks

sincos2007

Hi Benham,

Your technics really work.

Thanks.

sincos2007

Code: Select all

::module1.bat

echo loading module...

:module_function1
echo This is function1 in module
goto :eof

echo end loading

My question is:

how to include module1.bat as library and use function in the module from a batch file, just like ‘use’ statement in Perl

Thanks.

sincos2007

Hi Steffen,

Your method works. Thanks.

sincos2007

Hi jeb, I have debugged by your technics: :test3 echo on setlocal enabledelayedexpansion set str1=set var1=hi cat^&echo !var1! %str1% ::debug set str1 output is: str1=set var1=hi cat&echo This shows that when executing value of str1, var1 getting value code is executed but when showing value of var1...

sincos2007

Hi jeb, This really works, just by preserve values in EndLocal block. Following is workable code for subroutine test3: :test3 setlocal EnableDelayedExpansion set /a n=0 for /l %%i in (0,1,3) do ( set s1=V!n! if defined _ret ( set _ret=!_ret! ^& ) set _ret=!_ret!set %~1.Array[!n!]=V!n! set /a n=n+1 )...

sincos2007

Code: Select all

:test2
setlocal EnableDelayedExpansion

set str1=set s1=hi cat & echo %s1%

%str1%

goto :eof


::why this code does not print 'hi cat'
::Thanks

sincos2007

@echo off set /a n=99 set ret= call :test3 ret echo show array: echo %ret.Array[0]% echo %ret.Array[1]% echo %ret.Array[2]% echo %ret.Array[3]% ECHO Press any key to close the windows... pause>NUL goto :eof :test3 setlocal set /a n=0 :Loop-Start if %n% GEQ 3 goto :Loop-End set %~1.Array[%n%]=V%n% s...

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