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<h1>DOS - String Manipulation</h1>
<span class="shortText">Basic string manipulation in batch like you are used to from other programming languages.</span><br><br>
  <table class="posts">
  </table>
<br><table class="menu" cellpadding="0" cellspacing="0">
<tbody><tr><td colspan="2">
</td></tr>
<tr><td class="title"><a href="#Snippets.AlignRight">Align Right</a></td>
<td class="text">Align text to the right i.e. to improve readability of number columns.</td>
</tr>
<tr><td class="title"><a href="#Snippets.LeftString">Left String</a></td>
<td class="text">Extract characters from the beginning of a string.</td>
</tr>
<tr><td class="title"><a href="#Snippets.MapLookup">Map and Lookup</a></td>
<td class="text">Use Key-Value pair list to lookup and translate values.</td>
</tr>
<tr><td class="title"><a href="#Snippets.MidString">Mid String</a></td>
<td class="text">Extract a Substring by Position.</td>
</tr>
<tr><td class="title"><a href="#Snippets.Remove">Remove</a></td>
<td class="text">Remove a substring using string substitution.</td>
</tr>
<tr><td class="title"><a href="#Snippets.RemoveBothEnds">Remove both Ends</a></td>
<td class="text">Remove the first and the last character of a string.</td>
</tr>
<tr><td class="title"><a href="#Snippets.RemoveSpaces">Remove Spaces</a></td>
<td class="text">Remove all spaces in a string via substitution.</td>
</tr>
<tr><td class="title"><a href="#Snippets.Replace">Replace</a></td>
<td class="text">Replace a substring using string substitution.</td>
</tr>
<tr><td class="title"><a href="#Snippets.RightString">Right String</a></td>
<td class="text">Extract characters from the end of a string.</td>
</tr>
<tr><td class="title"><a href="#Snippets.SplitString">Split String</a></td>
<td class="text">Split a String, Extract Substrings by Delimiters.</td>
</tr>
<tr><td class="title"><a href="#Snippets.StringConcatenation">String Concatenation</a></td>
<td class="text">Add one string to another string.</td>
</tr>
<tr><td class="title"><a href="#Snippets.TrimLeftFOR">Trim Left</a></td>
<td class="text">Trim spaces from the beginning of a string via "FOR" command.</td>
</tr>
<tr><td class="title"><a href="#Snippets.TrimQuotes">Trim Quotes</a></td>
<td class="text">Remove surrounding quotes via FOR command.</td>
</tr>
<tr><td class="title"><a href="#Snippets.TrimRightSubst">Trim Right</a></td>
<td class="text">Trim spaces from the end of a string via substitution.</td>
</tr>
<tr><td class="title"><a href="#Snippets.TrimRightFOR">Trim Right</a></td>
<td class="text">Trim spaces from the end of a string via "FOR" command.</td>
</tr>
</tbody></table>    <hr>
    <a name="_Toc135152731"></a>
    <a name="Snippets.AlignRight"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Align Right - Align text to the right i.e. to improve readability of number columns</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Add leading spaces to a string to 
make sure the output lines up.  I.e. for variables no longer than 8 
characters add 8 spaces at the front and then show only the last 8 
characters of the variable.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br><a name="5">5.</a><br><a name="6">6.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;x=3000</span><br>
<span style="color=#000000">set&nbsp;y=2</span><br>
<span style="color=#000000">set&nbsp;x=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%x%</span><br>
<span style="color=#000000">set&nbsp;y=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;%y%</span><br>
<span style="color=#000000">echo.X=%x:~-8%</span><br>
<span style="color=#000000">echo.Y=%y:~-8%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>X=    3000
Y=       2
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152734"></a>
    <a name="Snippets.LeftString"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Left String - Extract characters from the beginning of a string</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Similar to the <b>Left</b> function 
in VB a batch script can return a specified number of characters from 
the left side of a string by specifying a substring for an expansion 
given a position of 0 and a length using :~  while expanding a variable 
content.  The example shows how to return the first 4 characters of a 
string.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=politic</span><br>
<span style="color=#000000">echo.%str%</span><br>
<span style="color=#000000">set&nbsp;str=%str:~0,4%</span><br>
<span style="color=#000000">echo.%str%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>politic
poli
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152738"></a>
    <a name="Snippets.MapLookup"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Map and Lookup - Use Key-Value pair list to lookup and translate values</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">This example shows an approach to 
map a name of a month into it`s corresponding two digit number.  The 
key-value pairs are listed in the map variable separated by semicolon.  
Key and value itself are separated by one dash character.  Same can be 
used to tranlate a day-of-the-week short string into a day-of-the-week 
long string by changing the map content only.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br><a name="5">5.</a><br><a name="6">6.</a><br><a name="7">7.</a><br><a name="8">8.</a><br><a name="9">9.</a><br><a name="10">10.</a><br><a name="11">11.</a><br><a name="12">12.</a><br><a name="13">13.</a><br><a name="14">14.</a><br><a name="15">15.</a><br><a name="16">16.</a><br><a name="17">17.</a><br><a name="18">18.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000"><span class="c_cmmt">REM&nbsp;----&nbsp;Example&nbsp;1:&nbsp;Translate&nbsp;name&nbsp;of&nbsp;month&nbsp;into&nbsp;two&nbsp;digit&nbsp;number&nbsp;----</span></span><br>
<span style="color=#000000">SET&nbsp;v=Mai</span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000">SET&nbsp;map=Jan-01;Feb-02;Mar-03;Apr-04;Mai-05;Jun-06;Jul-07;Aug-08;Sep-09;Oct-10;Nov-11;Dec-12</span><br>
<span style="color=#000000">CALL&nbsp;SET&nbsp;v=<span class="c_pvar">%%m</span>ap:*%v%-=%%</span><br>
<span style="color=#000000">SET&nbsp;v=%v:;=&amp;<span class="c_cmmt">rem.%</span></span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000">ECHO.%v%</span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000"><span class="c_cmmt">REM&nbsp;----&nbsp;Example&nbsp;2:&nbsp;Translate&nbsp;abbreviation&nbsp;into&nbsp;full&nbsp;string&nbsp;----</span></span><br>
<span style="color=#000000">SET&nbsp;v=sun</span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000">set&nbsp;map=mon-Monday;tue-Tuesday;wed-Wednesday;thu-Thursday;fri-Friday;sat-Saturday;sun-Sunday</span><br>
<span style="color=#000000">CALL&nbsp;SET&nbsp;v=<span class="c_pvar">%%m</span>ap:*%v%-=%%</span><br>
<span style="color=#000000">SET&nbsp;v=%v:;=&amp;<span class="c_cmmt">rem.%</span></span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000">&nbsp;&nbsp;ECHO.%v%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>05
  Sunday
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152733"></a>
    <a name="Snippets.MidString"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Mid String - Extract a Substring by Position</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Similar to the <b>Mid</b> function 
in VB a batch script can return a specified number of characters from 
any position inside a string by specifying a substring for an expansion 
given a position and length using :~ while expanding a variable content.
  The example here shows how to extract the parts of a date.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br><a name="5">5.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">echo.Date&nbsp;&nbsp;&nbsp;:&nbsp;%date%</span><br>
<span style="color=#000000">echo.Weekday:&nbsp;%date:~0,3%</span><br>
<span style="color=#000000">echo.Month&nbsp;&nbsp;:&nbsp;%date:~4,2%</span><br>
<span style="color=#000000">echo.Day&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;%date:~7,2%</span><br>
<span style="color=#000000">echo.Year&nbsp;&nbsp;&nbsp;:&nbsp;%date:~10,4%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>Date   : Sat 03/11/2006
Weekday: Sat
Month  : 03
Day    : 11
Year   : 2006
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152730"></a>
    <a name="Snippets.Remove"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Remove - Remove a substring using string substitution</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">The string substitution feature can 
also be used to remove a substring from another string.  The example 
shown here removes all occurrences of "the " from the string variable <b>str</b>.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=the&nbsp;cat&nbsp;in&nbsp;the&nbsp;hat</span><br>
<span style="color=#000000">echo.%str%</span><br>
<span style="color=#000000">set&nbsp;str=%str:the&nbsp;=%</span><br>
<span style="color=#000000">echo.%str%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>the cat in the hat
cat in hat
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152736"></a>
    <a name="Snippets.RemoveBothEnds"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Remove both Ends - Remove the first and the last character of a string</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Using <b>:~1,-1</b> within a variable expansion will remove the first and last character of the string.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=politic</span><br>
<span style="color=#000000">echo.%str%</span><br>
<span style="color=#000000">set&nbsp;str=%str:~1,-1%</span><br>
<span style="color=#000000">echo.%str%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>politic
oliti
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152728"></a>
    <a name="Snippets.RemoveSpaces"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Remove Spaces - Remove all spaces in a string via substitution</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">This script snippet can be used to remove all spaces from a string.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;word&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&amp;<span class="c_cmmt">rem</span></span><br>
<span style="color=#000000">echo."%str%"</span><br>
<span style="color=#000000">set&nbsp;str=%str:&nbsp;=%</span><br>
<span style="color=#000000">echo."%str%"</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>"      word       "
"word"
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152729"></a>
    <a name="Snippets.Replace"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Replace - Replace a substring using string substitution</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">To replace a substring with another 
string use the string substitution feature.  The example shown here 
replaces all occurrences "teh" misspellings with "the" in the string 
variable <b>str</b>.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=teh&nbsp;cat&nbsp;in&nbsp;teh&nbsp;hat</span><br>
<span style="color=#000000">echo.%str%</span><br>
<span style="color=#000000">set&nbsp;str=%str:teh=the%</span><br>
<span style="color=#000000">echo.%str%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>teh cat in teh hat
the cat in the hat
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152735"></a>
    <a name="Snippets.RightString"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Right String - Extract characters from the end of a string</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Similar to the <b>Right</b> function
 in VB a batch script can return a specified number of characters from 
the right side of a string by specifying a substring for an expansion 
given a negative position using :~  while expanding a variable content. 
 The example shows how to return the last 4 characters of a string.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=politic</span><br>
<span style="color=#000000">echo.%str%</span><br>
<span style="color=#000000">set&nbsp;str=%str:~-4%</span><br>
<span style="color=#000000">echo.%str%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>politic
itic
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152732"></a>
    <a name="Snippets.SplitString"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Split String - Split a String, Extract Substrings by Delimiters</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Use the <b>FOR</b> command to split a string into parts.  The example shows how to split a date variable into its  parts.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br><a name="5">5.</a><br><a name="6">6.</a><br><a name="7">7.</a><br><a name="8">8.</a><br><a name="9">9.</a><br><a name="10">10.</a><br><a name="11">11.</a><br><a name="12">12.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">echo.--&nbsp;Split&nbsp;off&nbsp;the&nbsp;first&nbsp;date&nbsp;token,&nbsp;i.e.&nbsp;day&nbsp;of&nbsp;the&nbsp;week</span><br>
<span style="color=#000000">for&nbsp;/f&nbsp;<span class="c_pvar">%%a</span>&nbsp;in&nbsp;("%date%")&nbsp;do&nbsp;set&nbsp;d=<span class="c_pvar">%%a</span></span><br>
<span style="color=#000000">echo.Date&nbsp;&nbsp;&nbsp;:&nbsp;%date%</span><br>
<span style="color=#000000">echo.d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;%d%</span><br>
<span style="color=#000000">echo.</span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000">echo.--&nbsp;Split&nbsp;the&nbsp;date&nbsp;into&nbsp;weekday,&nbsp;month,&nbsp;day,&nbsp;and&nbsp;year,&nbsp;using&nbsp;slash&nbsp;and&nbsp;space&nbsp;as&nbsp;delimiters</span><br>
<span style="color=#000000">for&nbsp;/f&nbsp;"tokens=1,2,3,4&nbsp;delims=/&nbsp;"&nbsp;<span class="c_pvar">%%a</span>&nbsp;in&nbsp;("%date%")&nbsp;do&nbsp;set&nbsp;wday=<span class="c_pvar">%%a</span>&amp;set&nbsp;month=<span class="c_pvar">%%b</span>&amp;set&nbsp;day=<span class="c_pvar">%%c</span>&amp;set&nbsp;year=<span class="c_pvar">%%d</span></span><br>
<span style="color=#000000">echo.Weekday:&nbsp;%wday%</span><br>
<span style="color=#000000">echo.Month&nbsp;&nbsp;:&nbsp;%month%</span><br>
<span style="color=#000000">echo.Day&nbsp;&nbsp;&nbsp;&nbsp;:&nbsp;%day%</span><br>
<span style="color=#000000">echo.Year&nbsp;&nbsp;&nbsp;:&nbsp;%year%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>-- Split off the first date token, i.e. day of the week
Date   : Thu 12/02/2005
d      : Thu

-- Split the date into weekday, month, day, and year, using slash and space as delimiters
Weekday: Thu
Month  : 12
Day    : 02
Year   : 2005
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name=""></a>
    <a name="Snippets.StringConcatenation"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-02-26</font></font></div>
    <h2>String Concatenation - Add one string to another string</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">This example shows how to add two strings in DOS.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br><a name="5">5.</a><br><a name="6">6.</a><br><a name="7">7.</a><br><a name="8">8.</a><br><a name="9">9.</a><br><a name="10">10.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;"str1=Hello"</span><br>
<span style="color=#000000">&nbsp;&nbsp;set&nbsp;"str2=World"</span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000">&nbsp;&nbsp;set&nbsp;"str3=%str1<span class="c_pvar">%%s</span>tr2%"</span><br>
<span style="color=#000000">&nbsp;&nbsp;set&nbsp;"str4=%str1%&nbsp;%str2%"</span><br>
<span style="color=#000000">&nbsp;&nbsp;set&nbsp;"str1=%str1%&nbsp;DOS&nbsp;%str2%"</span><br>
<span style="color=#000000"></span><br>
<span style="color=#000000">&nbsp;&nbsp;echo.%str3%</span><br>
<span style="color=#000000">&nbsp;&nbsp;echo.%str4%</span><br>
<span style="color=#000000">&nbsp;&nbsp;echo.%str1%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>HelloWorld
  Hello World
  Hello DOS World
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152726"></a>
    <a name="Snippets.TrimLeftFOR"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-04-28</font></font></div>
    <h2>Trim Left - Trim spaces from the beginning of a string via "FOR" command</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Use the <b>FOR</b> command to trim spaces at the beginning of a variable.  In this example the variable to be trimmed is <b>str</b>.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;15&nbsp;Leading&nbsp;spaces&nbsp;to&nbsp;truncate</span><br>
<span style="color=#000000">echo."%str%"</span><br>
<span style="color=#000000">for&nbsp;/f&nbsp;"tokens=*&nbsp;delims=&nbsp;"&nbsp;<span class="c_pvar">%%a</span>&nbsp;in&nbsp;("%str%")&nbsp;do&nbsp;set&nbsp;str=<span class="c_pvar">%%a</span></span><br>
<span style="color=#000000">echo."%str%"</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>"               15 Leading spaces to truncate"
"15 Leading spaces to truncate"
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152737"></a>
    <a name="Snippets.TrimQuotes"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Trim Quotes - Remove surrounding quotes via FOR command</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">The <b>FOR</b> command can be used 
to safely remove quotes surrounding a string.  If the string does not 
have quotes then it will remain unchanged.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str="cmd&nbsp;politic"</span><br>
<span style="color=#000000">echo.%str%</span><br>
<span style="color=#000000">for&nbsp;/f&nbsp;"useback&nbsp;tokens=*"&nbsp;<span class="c_pvar">%%a</span>&nbsp;in&nbsp;('%str%')&nbsp;do&nbsp;set&nbsp;str=<span class="c_pvar">%%~a</span></span><br>
<span style="color=#000000">echo.%str%</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>"cmd politic"
cmd politic
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152727"></a>
    <a name="Snippets.TrimRightFOR"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Trim Right - Trim spaces from the end of a string via "FOR" command</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Trimming spaces at the end of a variable seems a little tricky.  The following example shows how to use a <b>FOR</b> loop to trim <b>up to 31</b> spaces from the end of a string.  It assumes that <a href="http://www.dostips.com/DosCommandIndex.htm#SETLOCAL">Delayed Expansion</a> is enabled.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=15&nbsp;Trailing&nbsp;Spaces&nbsp;to&nbsp;truncate&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&amp;<span class="c_cmmt">rem</span></span><br>
<span style="color=#000000">echo."%str%"</span><br>
<span style="color=#000000">for&nbsp;/l&nbsp;<span class="c_pvar">%%a</span>&nbsp;in&nbsp;(1,1,31)&nbsp;do&nbsp;if&nbsp;"!str:~-1!"=="&nbsp;"&nbsp;set&nbsp;str=!str:~0,-1!</span><br>
<span style="color=#000000">echo."%str%"</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>"15 Trailing Spaces to truncate               "
"15 Trailing Spaces to truncate"
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
    <hr>
    <a name="_Toc135152727"></a>
    <a name="Snippets.TrimRightSubst"></a>
    <div style="float: right;"><font color="darkblue"><a href="#">TOP</a><br><font size="1">2008-01-01</font></font></div>
    <h2>Trim Right - Trim spaces from the end of a string via substitution</h2>
  <table class="posts">
    <tbody><tr>
      <td class="title" valign="top">Description:</td>
      <td class="text" valign="top">Trimming spaces at the end of a 
variable seems a little tricky.  The following example shows how to use 
the string substitution feature to trim <b>up to 31 spaces</b> from the end of a string.  It assumes that the string to be trimmed never contains two hash "##" characters in a row.</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script:</td>
      <td class="text" valign="top">    <table class="btchscr"><tbody><tr>
      <td class="numbrs" align="right" nowrap="nowrap"><code><a name="1">1.</a><br><a name="2">2.</a><br><a name="3">3.</a><br><a name="4">4.</a><br><a name="5">5.</a><br><a name="6">6.</a><br><a name="7">7.</a><br><a name="8">8.</a><br><a name="9">9.</a><br><a name="10">10.</a><br></code></td>
      <td class="code" nowrap="nowrap"><code><span style="color=#000000">set&nbsp;str=15&nbsp;Trailing&nbsp;Spaces&nbsp;to&nbsp;truncate&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&amp;<span class="c_cmmt">rem</span></span><br>
<span style="color=#000000">echo."%str%"</span><br>
<span style="color=#000000">set&nbsp;str=%str%##</span><br>
<span style="color=#000000">set&nbsp;str=%str:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;##=##%</span><br>
<span style="color=#000000">set&nbsp;str=%str:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;##=##%</span><br>
<span style="color=#000000">set&nbsp;str=%str:&nbsp;&nbsp;&nbsp;&nbsp;##=##%</span><br>
<span style="color=#000000">set&nbsp;str=%str:&nbsp;&nbsp;##=##%</span><br>
<span style="color=#000000">set&nbsp;str=%str:&nbsp;##=##%</span><br>
<span style="color=#000000">set&nbsp;str=%str:##=%</span><br>
<span style="color=#000000">echo."%str%"</span><br>
      </code></td>
    </tr></tbody></table>
</td>
    </tr>
    <tr>
      <td class="title" valign="top">Script Output:</td>
      <td class="text" valign="top"><table class="dosw" border="0" cellpadding="3" cellspacing="2">    <tbody><tr><td class="title">&nbsp;<img src="DOS%20-%20String%20Manipulation_files/SysIcon.JPG" alt="DOS">&nbsp;Script Ouput    </td></tr>    <tr><td class="text"><pre>"15 Trailing Spaces to truncate               "
"15 Trailing Spaces to truncate"
</pre></td></tr></tbody></table></td>
    </tr>
  </tbody></table>
<br><br>
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