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    <p>Quoting almost always fixes this type of problem.</p> <pre><code>exec myBootStrap "$arguments" </code></pre> <p>Demo:</p> <pre><code>$ a='"abc def" ghi' $ echo "$a" "abc def" ghi $ args $a 3 args: &lt;"abc&gt; &lt;def"&gt; &lt;ghi&gt; $ args "$a" 1 args: &lt;"abc def" ghi&gt; $ cat args #! /bin/sh # Greg Wooledge's args script printf "%d args:" $# printf " &lt;%s&gt;" "$@" echo </code></pre> <p><strong>Edit</strong>:</p> <p>OK, I spent some time analyzing what your Bash script is actually doing. It's going through a lot of gyrations to simply try to produce exactly the same arguments it was given and then pass them to the Python script.</p> <p>It could simply be replaced by:</p> <pre><code>exec myBootStrap "$@" </code></pre> <p>However, I presume that you're actually doing some other processing there which we don't see. Based on that, I've modified your script so it can be used as a basis for something like that.</p> <pre><code>#!/bin/bash declare -a argv for ((i = 1; i &lt;= $#; i += 1)) do arg=${@:i:1} if [[ "$arg" == "--preload"* ]]; then marg=${@: ++i:1} preLoadO=$arg preLoadA="${marg}" argv+=("$arg") argv+=("$preLoadA") elif [[ "$arg" == "--postload"* ]]; then marg=${@: ++i:1} postLoadO=$arg postLoadA="${marg}" argv+=("$arg") argv+=("$postLoadA") else argv+=("$arg") fi done exec ./myBootStrap "${argv[@]}" </code></pre> <p>The arguments must be passed as a quoted array. You had already built the array, but then you flattened it with a <code>printf</code>. </p> <p>Note that an array slice is already an arithmetic context so you don't need <code>$(())</code> inside it. I removed the separate <code>i=i+1</code> (which concatenates characters so you get <code>1+1+1+1</code> after a while) and just put a pre-increment inside the array slice. The space before the first plus is required since <code>:+</code> is significant inside an brace expansion. If you want, you can do the increment separately like this: <code>((i++)); marg=${@:i:1}</code> (of course on separate lines if you prefer).</p> <p>I changed your array appends to the much simpler <code>+=</code> form and added quoting to them.</p>
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    1. USDennis Williamson
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    1. COunfortunately not, if you would run the python script just changing the last line from $arguments to "$arguments" the python script will still get the arguments split up
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    2. CO@Seb: Please see my edited answer.
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    3. COworks! perfect ... thanks heaps!
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