a != b: Difference between revisions

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|game1= ofp
|game1= ofp
|version1= 1.00
|game2= ofpe
|version2= 1.00
|game3= arma1
|version3= 1.00
|game4= arma2
|version4= 1.00
|game5= arma2oa
|version5= 1.50
|game6= tkoh
|version6= 1.00


|version1= 1.00
|game7= arma3
|version7= 0.50


|gr1= Variables
|gr1= Variables
|gr2= Math
|gr2= Math


|descr= Returns whether one value is '''not''' equal to another. String comparison is case-'''in'''sensitive (e.g {{Inline code|"STRINGtext" [[a != b|!=]] "stringTEXT" {{cc|returns [[false]]}}}}).
|descr= Returns whether one value is '''not''' equal to another. String comparison is case-'''in'''sensitive (e.g <sqf inline>"STRINGtext" != "stringTEXT" // returns false - strings are equivalent</sqf>).
{{Informative | Before Arma 3 v1.99.146526 one was '''not''' able to compare [[Boolean]]s: {{Inline code|[[alive]] [[player]] [[a != b|!=]] [[true]] {{cc|would throw an error}}}}}}
{{Feature|important|''a'' and ''b'' types '''must''' match: comparing e.g [[String]] with [[Number]] is invalid.}}


|s1= a [[a != b|!=]] b
|s1= a [[a != b|!=]] b


|p1= a: [[Number]], [[Side]], [[String]], [[Object]], [[Group]], [[Structured Text]], [[Config]], [[Display]], [[Control]], [[Location]], [[Diary Record]] (since Arma 3 v1.99.146508), [[Namespace]] (since Arma 3 v1.99.146509), [[Boolean]] (since Arma 3 v1.99.146526)
|p1= a:
{{{!}} class="wikitable"
! Introduced in
! colspan="5" {{!}} {{GVI|ofp|1.00}}
! colspan="4" {{!}} {{GVI|arma1|1.00}}
! {{GVI|arma1|1.08}}
! colspan="3" {{!}} {{GVI|arma3|2.00}}
{{!}}-
! Possible Type
{{!}} [[Number]]
{{!}} [[Side]]
{{!}} [[String]]
{{!}} [[Object]]
{{!}} [[Group]]
{{!}} [[Structured Text]]
{{!}} [[Config]]
{{!}} [[Display]]
{{!}} [[Control]]
{{!}} [[Location]]
{{!}} [[Diary Record]]
{{!}} [[Namespace]]
{{!}} [[Boolean]]
{{!}}}


|p2= b: [[Number]], [[Side]], [[String]], [[Object]], [[Group]], [[Structured Text]], [[Config]], [[Display]], [[Control]], [[Location]], [[Diary Record]] (since Arma 3 v1.99.146508), [[Namespace]] (since Arma 3 v1.99.146509), [[Boolean]] (since Arma 3 v1.99.146526)
|p2= b: identical to ''a''<nowiki/>'s type


|r1= [[Boolean]] - [[true]] if a is different from b
|r1= [[Boolean]] - [[true]] if ''a'' is different from ''b'', [[false]] otherwise


|x1= <code>[[if]] (_counter [[a != b|!=]] 4) [[then]] {
|x1= <sqf>
[[hint]] "The counter is not equal to the number 4";
if (_counter != 4) then
}</code>
{
hint "The counter is not equal to the number 4";
};
</sqf>


|x2= <code>[[if]] ([[vehicle]] [[player]] [[a != b|!=]] [[player]]) [[then]] {
|x2= <sqf>
[[hint]] "you are in a vehicle";
if (vehicle player != player) then
} [[else]] {
{
[[hint]] "you are on foot";
hint "you are in a vehicle";
}</code>
}
else
{
hint "you are on foot";
};
</sqf>


|x3= <code>[[if]] ([[fuel]] truck1 [[a != b|!=]] 1) [[then]] {
|x3= <sqf>
[[hint]] "Truck1 has less than a full tank of fuel.";
if (fuel truck1 != 1) then
}</code>
{
hint "Truck1 has less than a full tank of fuel.";
};
</sqf>


|x4 = Since Arma 3 v1.99.146526<code>[[if]] ([[alive]] _unit1 [[!=]] [[alive]] _unit2) [[then]] {[[hint]] "One of the units is dead while another is alive"};</code>
|x4= <sqf>if (alive _unit1 != alive _unit2) then { hint "One of the units is dead while another is alive" };</sqf>


|seealso= [[==]], [[Operators]]
|seealso= [[==]] [[Operators]]
}}
}}
[[Category:Scripting Commands OFP 1.46]]
[[Category:Scripting Commands OFP 1.96]]
[[Category:Scripting Commands OFP 1.99]]
{{GameCategory|arma1|Scripting Commands}}
{{GameCategory|arma2|Scripting Commands}}
{{GameCategory|arma3|Scripting Commands}}

Latest revision as of 15:15, 1 July 2022

Logo A0.png1.00ofpe logo.png1.00Logo A1 black.png1.00Logo A2.png1.00A2 OA Logo.png1.50tkoh logo small.png1.00Arma 3 logo black.png0.50
Hover & click on the images for description

Description

Description:
Returns whether one value is not equal to another. String comparison is case-insensitive (e.g "STRINGtext" != "stringTEXT" // returns false - strings are equivalent).
⚠
a and b types must match: comparing e.g String with Number is invalid.
Groups:
VariablesMath

Syntax

Syntax:
a != b
Parameters:
a:
Introduced in Logo A0.png1.00 Logo A1 black.png1.00 Logo A1 black.png1.08 Arma 3 logo black.png2.00
Possible Type Number Side String Object Group Structured Text Config Display Control Location Diary Record Namespace Boolean
b: identical to a's type
Return Value:
Boolean - true if a is different from b, false otherwise

Examples

Example 1:
if (_counter != 4) then { hint "The counter is not equal to the number 4"; };
Example 2:
if (vehicle player != player) then { hint "you are in a vehicle"; } else { hint "you are on foot"; };
Example 3:
if (fuel truck1 != 1) then { hint "Truck1 has less than a full tank of fuel."; };
Example 4:
if (alive _unit1 != alive _unit2) then { hint "One of the units is dead while another is alive" };

Additional Information

See also:
== Operators

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
Retrieved from "https://community.bistudio.com/wiki?title=a_!%3D_b&oldid=325170"