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<title>ClearCase Tasks</title>
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<h1>Apache Ant ClearCase Tasks</h1>
<p>by:<br/>
Curtis White (cwhite at aracnet dot com),<br/>
Sean P. Kane (spkane at genomatica dot com),<br/>
Rob Anderson (Anderson.Rob at vectorscm dot com), and<br/>
Sean Egan (sean at cm-logic dot com)</p>
<p>Version 1.6&mdash;02/25/2003</p>
<h1>ClearCase Support</h1>
<h2>Table of Contents</h2>
<ul>
<li><a href="#introduction">Introduction</a>
<li><a href="#cccheckin">CCCheckin</a>
<li><a href="#cccheckout">CCCheckout</a>
<li><a href="#ccuncheckout">CCUnCheckout</a>
<li><a href="#ccupdate">CCUpdate</a>
<li><a href="#ccmklbtype">CCMklbtype</a>
<li><a href="#ccmklabel">CCMklabel</a>
<li><a href="#ccrmtype">CCRmtype</a>
<li><a href="#cclock">CCLock</a>
<li><a href="#ccunlock">CCUnlock</a>
<li><a href="#ccmkbl">CCMkbl</a>
<li><a href="#ccmkattr">CCMkattr</a>
<li><a href="#ccmkdir">CCMkdir</a>
<li><a href="#ccmkelem">CCMkelem</a></li>
</ul>
<hr/>
<h2 id="introduction">Introduction</h2>
<p>Apache Ant provides several optional tasks for working with ClearCase. These tasks correspond to
various ClearCase commands using the <kbd>cleartool</kbd> program. The current tasks available for
Ant correspond to only a few of the significant ClearCase commands.</p>
<p>More tasks can be easily added by deriving from the ClearCase class and then adding functionality
that is specific to that ClearCase command.</p>
<p>Important: these tasks all require <kbd>cleartool</kbd> on the command line. If a task fails
with an <code>IOException</code>, especially <code>error=2</code> on Windows, this is your
problem.</p>
<hr/>
<h2 id="cccheckin">CCCheckin</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool checkin</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase view file or directory that the command will operate on</td>
<td>No</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>nowarn</td>
<td>Suppress warning messages</td>
<td>No</td>
</tr>
<tr>
<td>preservetime</td>
<td>Preserve the modification time</td>
<td>No</td>
</tr>
<tr>
<td>keepcopy</td>
<td>Keeps a copy of the file with a <samp>.keep</samp> extension</td>
<td>No</td>
</tr>
<tr>
<td>identical</td>
<td>Allows the file to be checked in even if it is identical to the original</td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails</td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>checkin</code> on the file <samp>c:/views/viewdir/afile</samp>. Comment
text from the file <samp>acomment.txt</samp> is added to ClearCase as a comment. All warning
messages are suppressed. The file is checked in even if it is <em>identical</em> to the
original.</p>
<pre>
&lt;cccheckin viewpath="c:/views/viewdir/afile"
commentfile="acomment.txt"
nowarn="true"
identical="true"/&gt;</pre>
<hr/>
<h2 id="cccheckout">CCCheckout</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool checkout</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase view file or directory that the command will operate on</td>
<td>No</td>
</tr>
<tr>
<td>reserved</td>
<td>Specifies whether to check out the file as reserved or not</td>
<td>Yes</td>
</tr>
<tr>
<td>out</td>
<td>Creates a writable file under a different filename</td>
<td>No</td>
</tr>
<tr>
<td>nodata</td>
<td>Checks out the file but does not create an editable file containing its data</td>
<td>No</td>
</tr>
<tr>
<td>branch</td>
<td>Specify a branch to check out the file to</td>
<td>No</td>
</tr>
<tr>
<td>version</td>
<td>Allows checkout of a version other than <code>/main/LATEST</code> (or whatever is selected
by a config spec)</td>
<td>No</td>
</tr>
<tr>
<td>nowarn</td>
<td>Suppress warning messages</td>
<td>No</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>notco</td>
<td>Fail if it's already checked out to the current view. Set to <q>false</q> to ignore
it.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>checkout</code> on the file <samp>c:/views/viewdir/afile</samp>. It is
checked out as <em>reserved</em> on branch called <samp>abranch</samp>. All warning messages are
suppressed. A &quot;<samp>Some comment text</samp>&quot; is added to ClearCase as a comment.</p>
<pre>
&lt;cccheckout viewpath="c:/views/viewdir/afile"
reserved="true"
branch="abranch"
nowarn="true"
comment="Some comment text"/&gt;</pre>
<hr/>
<h2 id="ccuncheckout">CCUnCheckout</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool uncheckout</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase view file or directory that the command will operate on</td>
<td>No</td>
</tr>
<tr>
<td>keepcopy</td>
<td>Specifies whether to keep a copy of the file with a <samp>.keep</samp> extension or not</td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>uncheckout</code> on the file <samp>c:/views/viewdir/afile</samp>. A
copy of the file named <samp>c:/views/viewdir/afile.keep</samp> is kept.</p>
<pre>&lt;ccuncheckout viewpath="c:/views/viewdir/afile" keepcopy="true"/&gt;</pre>
<hr/>
<h2 id="ccupdate">CCUpdate</h2>
<h3>Description</h3>
<p>Task to perform an <kbd>cleartool update</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase snapshot view file or directory that the command will operate on</td>
<td>No</td>
</tr>
<tr>
<td>graphical</td>
<td>Displays a graphical dialog during the update</td>
<td>No</td>
</tr>
<tr>
<td>log</td>
<td>Specifies a log file for ClearCase to write to</td>
<td>No</td>
</tr>
<tr>
<td>overwrite</td>
<td>Specifies whether to overwrite hijacked files or not</td>
<td>No</td>
</tr>
<tr>
<td>rename</td>
<td>Specifies that hijacked files should be renamed with a <samp>.keep</samp> extension</td>
<td>No</td>
</tr>
<tr>
<td>currenttime</td>
<td>Specifies that modification time should be written as the current time. Mutually exclusive
with <var>preservetime</var>.</td>
<td>No</td>
</tr>
<tr>
<td>preservetime</td>
<td>Specifies that modification time should preserved from the VOB time. Mutually exclusive
with <var>currenttime</var>.</td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/> <em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>update</code> on the snapshot view
directory <samp>c:/views/viewdir</samp>. A graphical dialog will be displayed. The output will be
logged to <samp>log.log</samp> and it will overwrite any hijacked files. The modified time will be
set to the current time.</p>
<pre>
&lt;ccupdate viewpath="c:/views/viewdir"
graphical="false"
log="log.log"
overwrite="true"
currenttime="true"
rename="false"/&gt;</pre>
<hr/>
<h2 id="ccmklbtype">CCMklbtype</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool mklbtype</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>typename</td>
<td>Name of the label type to create</td>
<td>Yes</td>
</tr>
<tr>
<td>vob</td>
<td>Name of the VOB</td>
<td>No</td>
</tr>
<tr>
<td>replace</td>
<td>Replace an existing label definition of the same type</td>
<td>No</td>
</tr>
<tr>
<td>global</td>
<td>Creates a label type that is global to the VOB or to VOBs that use this VOB.</td>
<td rowspan="2">No; only one of the two may be used,
default <var>ordinary</var>=<q>true</q></td>
</tr>
<tr>
<td>ordinary</td>
<td class="left">Creates a label type that can be used only in the current VOB.</td>
</tr>
<tr>
<td>pbranch</td>
<td>Allows the label type to be used once per branch in a given element's version tree</td>
<td>No</td>
</tr>
<tr>
<td>shared</td>
<td>Sets the way mastership is checked by ClearCase. See ClearCase documentation for
details</td>
<td>No</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>mklbtype</code> to create a label type named <samp>VERSION_1</samp>. It
is created as <em>ordinary</em> so it is available only to the current VOB. The text <q>Development
version 1</q> is added as a comment.</p>
<pre>
&lt;ccmklbtype typename="VERSION_1"
ordinary="true"
comment="Development version 1"/&gt;</pre>
<hr/>
<h2 id="ccmklabel">CCMklabel</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool mklabel</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>typename</td>
<td>Name of the label type</td>
<td>Yes</td>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase view file or directory that the command will operate on</td>
<td>No</td>
</tr>
<tr>
<td>replace</td>
<td>Replace a label of the same type on the same branch</td>
<td>No</td>
</tr>
<tr>
<td>recurse</td>
<td>Process each subdirectory under <var>viewpath</var></td>
<td>No</td>
</tr>
<tr>
<td>version</td>
<td>Identify a specific version to attach the label to</td>
<td>No</td>
</tr>
<tr>
<td>vob</td>
<td>Name of the VOB</td>
<td>No</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>mklabel</code> on the file <samp>c:/views/viewdir/afile</samp> under
the <samp>main</samp> branch for version 2 (<samp>\main\2</samp>). Text &quot;<samp>Some comment
text</samp>&quot; is added as a comment. It will <em>recurse</em> all subdirectories.</p>
<pre>
&lt;ccmklabel viewpath="c:/views/viewdir/afile"
comment="Some comment text"
recurse="true"
version="\main\2"
typename="VERSION_1"/&gt;
</pre>
<hr/>
<h2 id="ccrmtype">CCRmtype</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool rmtype</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>typekind</td>
<td>The kind of type to create. Valid types are:
<table>
<tr>
<th scope="col">Kind</th>
<th scope="col">Description</th>
</tr>
<tr>
<td><q>attype</q></td>
<td>attribute type</td>
</tr>
<tr>
<td><q>brtype</q></td>
<td>branch type</td>
</tr>
<tr>
<td><q>eltype</q></td>
<td>element type</td>
</tr>
<tr>
<td><q>hltype</q></td>
<td>hyperlink type</td>
</tr>
<tr>
<td><q>lbtype</q></td>
<td>label type</td>
</tr>
<tr>
<td><q>trtype</q></td>
<td>trigger type</td>
</tr>
</table></td>
<td>Yes</td>
</tr>
<tr>
<td>typename</td>
<td>The name of the type to remove</td>
<td>Yes</td>
</tr>
<tr>
<td>ignore</td>
<td>Used with trigger types only. Forces removal of trigger type even if a pre-operation trigger
would prevent its removal</td>
<td>No</td>
</tr>
<tr>
<td>rmall</td>
<td>Removes all instances of a type and the type object itself</td>
<td>No</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails. <em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>rmtype</code> to remove a label type (<q>lbtype</q>)
named <samp>VERSION_1</samp>. Comment text from the file <samp>acomment.txt</samp> is added as a
comment. All instances of the type are removed, including the type object itself.</p>
<pre>
&lt;ccrmtype typekind="lbtype"
typename="VERSION_1"
commentfile="acomment.txt"
rmall="true"/&gt;</pre>
<hr/>
<h2 id="cclock">CCLock</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool lock</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>replace</td>
<td>Specifies replacing an existing lock</td>
<td>No</td>
</tr>
<tr>
<td>nusers</td>
<td>Specifies user(s) who can still modify the object</td>
<td>No</td>
</tr>
<tr>
<td>obsolete</td>
<td>Specifies that the object should be marked obsolete</td>
<td>No</td>
</tr>
<tr>
<td>comment</td>
<td>Specifies how to populate comments fields</td>
<td>No</td>
</tr>
<tr>
<td>pname</td>
<td>Specifies the object pathname to be locked.</td>
<td>No</td>
</tr>
<tr>
<td>objselect</td>
<td><em>Obsolete</em>. Use <var>objsel</var> instead.</td>
<td>No</td>
</tr>
<tr>
<td>objsel</td>
<td>Specifies the object(s) to be locked.<br/><em>Since Ant 1.6.1</em></td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>lock</code> on the
object <samp>stream:Application_Integration@\MyProject_PVOB</samp>.</p>
<pre>&lt;cclock objsel="stream:Application_Integration@\MyProject_PVOB"/&gt;</pre>
<hr/>
<h2 id="ccunlock">CCUnlock</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool unlock</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>comment</td>
<td>Specifies how to populate comments fields</td>
<td>No</td>
</tr>
<tr>
<td>pname</td>
<td>Specifies the object pathname to be unlocked.</td>
<td>No</td>
</tr>
<tr>
<td>objselect</td>
<td><em>Obsolete</em>. Use <var>objsel</var> instead.</td>
<td>No</td>
</tr>
<tr>
<td>objsel</td>
<td>Specifies the object(s) to be unlocked.<br/><em>Since Ant 1.6.1</em></td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>unlock</code> on the
object <samp>stream:Application_Integration@\MyProject_PVOB</samp>.</p>
<pre>&lt;ccunlock objsel="stream:Application_Integration@\MyProject_PVOB"/&gt;</pre>
<hr/>
<h2 id="ccmkbl">CCMkbl</h2>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool mkbl</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>baselinerootname</td>
<td>Specify the name to be associated with the baseline.</td>
<td>Yes</td>
</tr>
<tr>
<td>nowarn</td>
<td>Suppress warning messages</td>
<td>No</td>
</tr>
<tr>
<td>identical</td>
<td>Allows the baseline to be created even if it is identical to the previous baseline.</td>
<td>No</td>
</tr>
<tr>
<td>full</td>
<td>Creates a full baseline.</td>
<td>No</td>
</tr>
<tr>
<td>nlabel</td>
<td>Allows the baseline to be created without a label.</td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.<br/><em>Since Ant 1.6.1</em></td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>mkbl</code> on the Integration view at <samp>v:\ApplicationCC</samp>
even if it is <em>identical</em> to a previous baseline. The new baseline with be incremental and
named <samp>Application_Baseline_AUTO</samp>.</p>
<pre>
&lt;ccmkbl baselinerootname="Application_Baseline_AUTO"
identical="yes"
full="no"
viewpath="v:\ApplicationCC"/&gt;</pre>
<hr/>
<h2 id="ccmkattr">CCMkattr</h2>
<p><em>Since Ant 1.6.1</em></p>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool mkattr</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase view file or directory that the command will operate on</td>
<td>Yes</td>
</tr>
<tr>
<td>replace</td>
<td>Replace the value of the attribute if it already exists</td>
<td>No</td>
</tr>
<tr>
<td>recurse</td>
<td>Process each subdirectory under <var>viewpath</var></td>
<td>No</td>
</tr>
<tr>
<td>version</td>
<td>Identify a specific version to attach the attribute to</td>
<td>No</td>
</tr>
<tr>
<td>typename</td>
<td>Name of the attribute type</td>
<td>Yes</td>
</tr>
<tr>
<td>typevalue</td>
<td>Value to attach to the attribute type</td>
<td>Yes</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.</td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>mkattr</code> on the file <samp>c:/views/viewdir/afile</samp> and
attach the attribute <samp>BugFix</samp> with a value of <samp>34445</samp> to it.</p>
<pre>
&lt;ccmkattr viewpath=&quot;c:/views/viewdir/afile&quot;
typename=&quot;BugFix&quot;
typevalue=&quot;34445&quot;/&gt;
</pre>
<hr/>
<h2 id="ccmkdir">CCMkdir</h2>
<p><em>Since Ant 1.6.1</em></p>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool mkdir</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase view directory that the command will operate on</td>
<td>Yes</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>nocheckout</td>
<td>Do not checkout after element creation</td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.</td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform a ClearCase <code>mkdir</code> on the dir <samp>c:/views/viewdir/adir</samp> and do not
automatically check it out.</p>
<pre>
&lt;ccmkdir viewpath=&quot;c:/views/viewdir/adir&quot;
nocheckout=&quot;true&quot;
comment=&quot;Some comment text&quot;/&gt;</pre>
<hr/>
<h2 id="ccmkelem">CCMkelem</h2>
<p><em>Since Ant 1.6.1</em></p>
<h3>Description</h3>
<p>Task to perform a <kbd>cleartool mkelem</kbd> command to ClearCase.</p>
<h3>Parameters</h3>
<table class="attr">
<tr>
<th scope="col">Attribute</th>
<th scope="col">Values</th>
<th scope="col">Required</th>
</tr>
<tr>
<td>viewpath</td>
<td>Path to the ClearCase view file or directory that the command will operate on</td>
<td>Yes</td>
</tr>
<tr>
<td>comment</td>
<td>Specify a comment</td>
<td rowspan="2">No; only one of the two may be used</td>
</tr>
<tr>
<td>commentfile</td>
<td class="left">Specify a file containing a comment</td>
</tr>
<tr>
<td>nowarn</td>
<td>Suppress warning messages</td>
<td>No</td>
</tr>
<tr>
<td>nocheckout</td>
<td>Do not checkout after element creation</td>
<td>No</td>
</tr>
<tr>
<td>checkin</td>
<td>Checkin element after creation</td>
<td>No</td>
</tr>
<tr>
<td>preservetime</td>
<td>Preserve the modification time (for checkin)</td>
<td>No</td>
</tr>
<tr>
<td>master</td>
<td>Assign mastership of the main branch to the current site</td>
<td>No</td>
</tr>
<tr>
<td>eltype</td>
<td>Element type to use during element creation</td>
<td>No</td>
</tr>
<tr>
<td>failonerr</td>
<td>Throw an exception if the command fails.</td>
<td>No; default is <q>true</q></td>
</tr>
</table>
<h3>Examples</h3>
<p>Perform ClearCase <code>mkelem</code> on the file <samp>c:/views/viewdir/afile</samp> with
element type <samp>text_file</samp>, check in the file after creation.</p>
<pre>
&lt;ccmkelem viewpath=&quot;c:/views/viewdir/afile&quot;
eltype=&quot;text_file&quot;
checkin=&quot;true&quot;
comment=&quot;Some comment text&quot;/&gt;</pre>
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