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    <p><strong>EDIT: My first answer was wrong for VBScript, now my next try...</strong> </p> <p>Nice idea to use CTRL-Z, but I don't like control characters in a batch file, as it is problematic to copy&amp;paste them.<br> It's depends of your browser, of your editor, of your ...</p> <p>You could get a hybrid VBScript/Batch also with normal characters, and "normal" code. </p> <pre><code>:'VBS/Batch Hybrid : : :'Makes the next line only visible for VBScript ^ a=1_ &lt;1' echo off &lt;nul set n=nothing' &amp; goto :'batchCode &amp; REM Jump to the batch code 'VBScript-Part wscript.echo "VB-Start" wscript.echo "vb-End" wscript.quit(0) 'Batch part :'batchCode set n=n'&amp; echo Batch-Start set n=n'&amp; echo two set n=n'&amp; echo Batch-End set n=n'&amp; cscript /nologo /E:vbscript vbTest.bat </code></pre> <p>The trick is to prepend each batch line with <code>set n=n'&amp;</code> it is legal for both, but vbs will ignore the rest of the line, only batch will execute the rest of the line.</p> <p>The other variant is <code>:'remark ^</code>, this is a remark for both, but for batch this remarks also the next line by the multiline character.<br> The VbScript sees then <code>a=1&lt;1</code> the rest of the line is a remark <code>'</code><br> The batch sees only <code>&lt;1' echo off &lt;nul</code>, the first redirect from <code>1'</code> will be override by the second <code>&lt;nul</code>, so it results to only <code>echo off &lt; nul</code>. </p> <p>The only remaining problem is that you can see the first <code>echo off</code>, as it doesn't work in batch to use the <code>@</code> after a redirection.</p> <p>For JScript exists a simpler solution <a href="https://stackoverflow.com/a/5656250/463115">hybrid scripting</a></p>
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    1. POIs it possible to embed and execute VBScript within a batch file without using a temporary file?
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    1. COI don't see how that helps for VBscript. Jscript and VBscript have totally different syntaxes. The real problem has been VBscript's lack of a multi-line comment. The VBscript won't compile if a single batch line is exposed anywhere in the script.
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    2. COYou are right, didn't think enough about the vbscript problematic before, I will change my answer to a helpful variant
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    3. CO+1 Brilliant. Might be improved by adding `&SETLOCAL` after ECHO OFF. I would also move the n=nothing to the 2nd line and move the batch to the top with exit /b, but that is cosmetic. I still like the Ctrl-Z solution better because it supports @ECHO OFF, and because it doesn't set any extraneous variables. Ugly control chars vs. unwanted ECHO OFF output - we each have to choose our poison :-)
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