UnicodeEQ, UnicodeNE, UnicodeLT, UnicodeLE, UnicodeGE and UnicodeGT (Unicode functions): Difference between revisions

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{{Template:Unicode:UnicodeEQ, UnicodeNE, UnicodeLT, UnicodeLE, UnicodeGE and UnicodeGT subtitle}}
{{Template:Unicode:UnicodeEQ, UnicodeNE, UnicodeLT, UnicodeLE, UnicodeGE and UnicodeGT subtitle}}


These Unicode comparison methods perform the named comparison operation between their Unicode
These Unicode comparison methods perform the named comparison operation between their <var>Unicode</var>
string method objects and the method argument values. The methods are useful whenever you need to  
string method objects and the method argument values. The methods are useful whenever you need to  
do comparisons and ordinary EBCDIC string comparisons are not sufficient, say where you may be working
do comparisons and ordinary EBCDIC string comparisons are not sufficient, say where you may be working
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===Syntax terms===
===Syntax terms===
<table class="syntaxTable">
<table class="syntaxTable">
<tr><th>%number</th><td>number</td></tr>
<tr><th>%number</th><td>A number that indicates the success or failure of the indicated <var class="product">User Language</var> comparison: a value of 1 is returned if the stated relation between the <var class="term">unicode</var> value and the <var class="term">comparand</var> value is true; otherwise, 0 is returned.</td></tr>
<tr><th>unicode</th>
<tr><th>unicode</th>
<td>A <var>Unicode</var> string. </td></tr>
<td>A <var>Unicode</var> string. </td></tr>
<tr><th>comparand</th>
<tr><th>comparand</th>
<td>Unicode</td></tr>
<td>The Unicode value that is being compared to the method object, <var class="term">unicode</var>. The method name indicates the type of comparison.</td></tr>
</table>
</table>



Revision as of 21:52, 2 April 2012

Compare unicode strings (Unicode class)

[Introduced in Sirius Mods 7.9]


These Unicode comparison methods perform the named comparison operation between their Unicode string method objects and the method argument values. The methods are useful whenever you need to do comparisons and ordinary EBCDIC string comparisons are not sufficient, say where you may be working with characters that are not translatable to EBCDIC.

Syntax (same for UnicodeNE, UnicodeLT, UnicodeLE, UnicodeGE, and UnicodeGT)

%number = unicode:UnicodeEQ( comparand)

Syntax terms

%numberA number that indicates the success or failure of the indicated User Language comparison: a value of 1 is returned if the stated relation between the unicode value and the comparand value is true; otherwise, 0 is returned.
unicode A Unicode string.
comparand The Unicode value that is being compared to the method object, unicode. The method name indicates the type of comparison.

Usage notes

  • Unicode comparisons might be useful if you want to use ASCII/Unicode ordering of string values (numbers < uppercase < lowercase).

Examples

The following comparison succeeds:

if %dessert:unicodeEq('Apple &pi;':u) then ...

However, the following comparison does not:

if %dessert eq 'Apple &pi;':u

Model 204 will try to convert Unicode pi to EBCDIC, and that operation will fail.

See also