$Lstr SubWord: Difference between revisions

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<p class="warn"><b>Note: </b>Most Sirius $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for $Lstr_SubWord is <var>[[Words (String function)|Words]]</var>. Or, you may find the features of the [[StringTokenizer class|StringTokenizer]] to be more helpful.</p>
<p class="warn"><b>Note: </b>Most Sirius $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for $Lstr_SubWord is <var>[[Words (String function)|Words]]</var>. Or, you may find the features of the [[StringTokenizer class|StringTokenizer]] to be more helpful.</p>


This function takes a string or longstring input and produces a substring of the input using word counts.  
This function takes a string or [[Longstrings|longstring]] input and produces a substring of the input using word counts.  


The <var>$Lstr_SubWord</var> function accepts four arguments and returns a long string result.  
The <var>$Lstr_SubWord</var> function accepts four arsguments and returns a longstring result.  


The first argument is an arbitrary string or longstring. This is a required argument.
==Syntax==
<p class="syntax"><span class="term">%result</span> = $Lstr_SubWord(<span class="term">longstring</span>, <span class="term">start</span>, [<span class="term">words</span>], [<span class="term">delim</span>])
</p>


The second argument is a number between 1 and 2**31-1 that indicates the starting word number in the input string. This is a required argument.  
===Syntax terms===
<table>
<tr><th>%result</th>
<td>A substring of the input longstring. </td></tr>


The third argument is a number between 1 and 2**31-1 that indicates the length in words of the result string. This is an optional argument and defaults to the number of words left in the string.
<tr><th>longstring</th>
<td>An arbitrary string or longstring. This is a required argument</td></tr>


The fourth argument is a string containing from 1 to 255 characters which are the delimiters for the longstring. This is an optional argument and defaults to a blank.  
<tr><th>start</th>
<td>A number between 1 and 2**31-1 that indicates the starting word number in the input string. This is a required argument. </td></tr>


Leading and trailing delimiters are removed from the resulting string, but all delimiters within the boundaries of the result are preserved.
<tr><th>words</th>
<td>A number between 1 and 2**31-1 that indicates the length in words of the result string. This is an optional argument and defaults to the number of words left in the string. </td></tr>


==Syntax==
<tr><th>delim</th>
<p class="syntax"><span class="term">%result</span> = $Lstr_SubWord(longstring, start, words, delim)
<td>A string containing from 1 to 255 characters which are the delimiters for the longstring. This is an optional argument and defaults to a blank. </td></tr>
</p>
</table>


<p><var class="term">%result</var> is a substring of the input longstring.</p>
==Usage notes==
<ul>
<li>Leading and trailing delimiters are removed from the resulting string, but all delimiters within the boundaries of the result are preserved.
</ul>


==Examples==
==Examples==
<ol>
<ol>
<li>To set %res to <code>a time</code>:
<li>To set <code>%res</code> to <code>a time</code>:
<p class="code">%res = $Lstr_SubWord('Once upon a time you dressed so fine', 3, 2)
<p class="code">%res = $Lstr_SubWord('Once upon a time you dressed so fine', 3, 2)
</p>
</p>


<li>To set %res to <code>upon a</code>:
<li>To set <code>%res</code> to <code>upon a</code>:
<p class="code">%res = $Lstr_SubWord('Once upon a time you dressed so fine', 3, 2, ' n')
<p class="code">%res = $Lstr_SubWord('Once upon a time you dressed so fine', 3, 2, ' n')
</p>
</p>

Revision as of 23:13, 25 July 2013

Substring of a longstring using word counts

Note: Most Sirius $functions have been deprecated in favor of Object Oriented methods. The OO equivalent for $Lstr_SubWord is Words. Or, you may find the features of the StringTokenizer to be more helpful.

This function takes a string or longstring input and produces a substring of the input using word counts.

The $Lstr_SubWord function accepts four arsguments and returns a longstring result.

Syntax

%result = $Lstr_SubWord(longstring, start, [words], [delim])

Syntax terms

%result A substring of the input longstring.
longstring An arbitrary string or longstring. This is a required argument
start A number between 1 and 2**31-1 that indicates the starting word number in the input string. This is a required argument.
words A number between 1 and 2**31-1 that indicates the length in words of the result string. This is an optional argument and defaults to the number of words left in the string.
delim A string containing from 1 to 255 characters which are the delimiters for the longstring. This is an optional argument and defaults to a blank.

Usage notes

  • Leading and trailing delimiters are removed from the resulting string, but all delimiters within the boundaries of the result are preserved.

Examples

  1. To set %res to a time:

    %res = $Lstr_SubWord('Once upon a time you dressed so fine', 3, 2)

  2. To set %res to upon a:

    %res = $Lstr_SubWord('Once upon a time you dressed so fine', 3, 2, ' n')

See also

Products authorizing $Lstr_SubWord

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