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POHow to get output of a FOR loop into a variable in a batch file
 

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  1. POHow to get output of a FOR loop into a variable in a batch file
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    <p>I have a file like this, that needs to be parsed and needs to extract a version number.</p> <pre><code>[assembly: AssemblyTrademark("")] [assembly: AssemblyCulture("")] // Setting ComVisible to false makes the types in this assembly not visible [assembly: AssemblyFileVersion("0.4.2")] ... ... </code></pre> <p>I need to parse it and extract the <code>0.4.2</code> from it.</p> <p>I have to do this in windows batch file only. I did this the following way, but I know this is <strong>NOT</strong> the best way.</p> <pre><code>setlocal enabledelayedexpansion SET VERSIONSTR= REM This is an ugly way to do this, because due to some reason I cant save output of for loop to a variable REM I would like this in a variable instead of a temp file. FOR /f "tokens=2*" %%j in (AssemblyInfo.cs) do @echo %%j &gt;&gt; tempfile.txt REM The "AssemblyFileVersion" line has the version number. REM I would like this in a variable instead of a temp file. FOR /f %%i in (tempfile.txt) do @echo %%i | find "AssemblyFileVersion" &gt;&gt; anothertempfile.txt REM Now this for loop will set a variable. FOR /f %%k in (anothertempfile.txt) do set VERSIONSTR=%%k REM Now the line is `AssemblyFileVersion("0.4.2")]` so, I am getting the substring from 21st character REM till the end and then removing last 3 characters, getting us the string 0.4.2 SET VERSIONSTR=!VERSIONSTR:~21,-3! </code></pre> <p>I hate having this ugliness in my code, any ideas on how I can modify this? At the very least I would like to know a way for me to get the output of a for loop in a variable in windows batch file.</p>
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