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<th>Priority</th>
<td>medium
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<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Ability to set StandardInput to a file"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72249">72249</a>
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<th>Assignee</th>
<td>systemd-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Summary</th>
<td>Ability to set StandardInput to a file
</td>
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<th>QA Contact</th>
<td>systemd-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
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<th>Reporter</th>
<td>jharvell@dogpad.net
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<th>Hardware</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>general
</td>
</tr>
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<th>Product</th>
<td>systemd
</td>
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<p>
<div>
<pre>I was making an service for iptables, running iptables-restore and discovered
that the StandardInput option does not allow me to set the standard input of an
exec to a regular file. This was a little surpirising since there are so many
other process properties you can control as documented in the systemd.exec man
page.
For iptables-restore, I worked around this limitation by creating the following
wrapper script:
{code}
#!/bin/bash
in="$1"
shift
exec $* < "$in"
{code}
It would be nice to avoid the overhead of starting up a shell just to redirect
the standard input.</pre>
</div>
</p>
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