$Lstr: Difference between revisions
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<span class="pageSubtitle">Treat a string as longstring</span> | <span class="pageSubtitle">Treat a string as longstring</span> | ||
<p class=" | <p class="warn"><b>Note: </b>Many $functions have been deprecated in favor of Object Oriented methods. There is no OO equivalent for the $Lstr function.</p> | ||
This function takes a <var>String</var> or <var>Longstring</var> input and produces a <var>Longstring</var> output. | This function takes a <var>String</var> or <var>Longstring</var> input and produces a <var>Longstring</var> output. | ||
==Syntax== | ==Syntax== | ||
<p class="syntax">< | <p class="syntax"><span class="term">%longstr</span> = <span class="literal">$Lstr</span>(<span class="term">longstring</span>) | ||
< | </p> | ||
<p> | <p> | ||
| Line 18: | Line 18: | ||
<ul> | <ul> | ||
<li>The main utility of the <var>$Lstr</var> function is to force a STRING WITH expression that is its argument to be upgraded to a LONGSTRING WITH expression. | <li>The main utility of the <var>$Lstr</var> function is to force a STRING WITH expression that is its argument to be upgraded to a LONGSTRING WITH expression. | ||
</ul> | |||
==Example== | |||
For example, | For example, | ||
<p class="code">IF %COMEDIANS EQ (%WHO WITH ' Costello') | <p class="code">IF %COMEDIANS EQ (%WHO WITH ' Costello') | ||
| Line 24: | Line 27: | ||
However, this statement does not: | However, this statement does not: | ||
<p class="code">IF %COMEDIANS EQ $Lstr(%WHO WITH ' Costello')</p> | <p class="code">IF %COMEDIANS EQ $Lstr(%WHO WITH ' Costello')</p> | ||
==Products authorizing {{PAGENAMEE}}== | ==Products authorizing {{PAGENAMEE}}== | ||
<ul class="smallAndTightList"> | <ul class="smallAndTightList"> | ||
<li>[[Sirius functions]]</li> | <li>[[List of $functions|Sirius functions]]</li> | ||
<li>[[Fast/Unload User Language Interface]]</li> | <li>[[Fast/Unload User Language Interface]]</li> | ||
<li>[[Janus Open Client]]</li> | <li>[[Media:JoclrNew.pdf|Janus Open Client]]</li> | ||
<li>[[Janus Open Server]]</li> | <li>[[Media:JosrvrNew.pdf|Janus Open Server]]</li> | ||
<li>[[Janus Sockets]]</li> | <li>[[Janus Sockets]]</li> | ||
<li>[[Janus Web Server]]</li> | <li>[[Janus Web Server]]</li> | ||
<li> | <li>Japanese functions</li> | ||
<li>[[Sir2000 Field Migration Facility]]</li> | <li>[[Media:SirfieldNew.pdf|Sir2000 Field Migration Facility]]</li> | ||
</ul> | </ul> | ||
[[Category:$Functions|$Lstr]] | [[Category:$Functions|$Lstr]] | ||
Latest revision as of 22:51, 20 September 2018
Treat a string as longstring
Note: Many $functions have been deprecated in favor of Object Oriented methods. There is no OO equivalent for the $Lstr function.
This function takes a String or Longstring input and produces a Longstring output.
Syntax
%longstr = $Lstr(longstring)
%longstr is a copy of longstring.
The longstring argument is an arbitrary string or longstring.
Usage notes
- The main utility of the $Lstr function is to force a STRING WITH expression that is its argument to be upgraded to a LONGSTRING WITH expression.
Example
For example,
IF %COMEDIANS EQ (%WHO WITH ' Costello')
truncates %WHO WITH 'Costello' at 255 bytes before the comparison, even if %COMEDIANS is a LONGSTRING %variable.
However, this statement does not:
IF %COMEDIANS EQ $Lstr(%WHO WITH ' Costello')