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=== | {{RollOption | ||
|name=for | |||
|version=1.3.b46 | |||
|description=Executes a statement for a number of iterations based on a start and end value. | |||
''' | |usage= | ||
<syntaxhighlight lang="mtmacro" line> | |||
[for(var, start, end): body] | |||
</syntaxhighlight> | |||
<syntaxhighlight lang="mtmacro" line> | |||
[for(var, start, end, stepsize): body] | |||
</syntaxhighlight> | |||
<syntaxhighlight lang="mtmacro" line> | |||
[for(var, start, end, stepsize, separator): body] | |||
</syntaxhighlight> | |||
'''Parameters'''<br> | |||
The {{code|var}} variable counts from {{code|start}} towards {{code|end}} during the loop, and the optional {{code|stepsize}} (default {{code|+1}}) is added to {{code|var}} at each iteration. Note that in the standard incrementing usage with a {{code|stepsize}} of {{code|1}}, the {{code|body}} does not execute when {{code|var}} reaches {{code|end}}. <br> | |||
Note that {{code|stepsize}} must be integer and not 0. Floating values will be rounded down.<br> | |||
{{code|list_separator}} default value is {{code|","}}. Some examples of other useful separators: ''nothing'' {{code|""}}, ''space'' {{code|" "}} and ''break'' {{code|"<br>"}}. | |||
|examples= | |||
<syntaxhighlight lang="mtmacro" line> | |||
[for(i,0,10): "i is now " + i] | |||
</syntaxhighlight> | |||
Counts up from 0 to 9. | Counts up from 0 to 9. | ||
< | <syntaxhighlight lang="mtmacro" line> | ||
[ | [for(i,10,0,-2): "i is now " + i] | ||
</ | </syntaxhighlight> | ||
Counts down even numbers from 10 to 2. | |||
<syntaxhighlight lang="mtmacro" line> | |||
[for(i,10,-1,-2): "i is now " + i] | |||
</syntaxhighlight> | |||
Counts down even numbers from 10 to 0. | Counts down even numbers from 10 to 0. | ||
|also= | |||
{{ | {{roll|foreach}}, | ||
[[Introduction to Macro Loops]] | |||
|changes= | |||
{{change|1.3b54|Changed the comparison operator when comparing the {{code|var}} to {{code|end}} when determining whether to continue executing a new iteration. In version 1.3b53 and earlier, on each iteration it compared if {{code|var}} was less than or equal to {{code|end}}. As of version 1.3b54, it is now comparing if {{code|var}} is less than {{code|end}}.}} | |||
}} | |||
[[Category:Roll Option]] | [[Category:Roll Option]] | ||
[[Category:Looping Roll Option]] | [[Category:Looping Roll Option]] | ||
Latest revision as of 23:59, 14 March 2023
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[for():] Roll Option
* Introduced in version 1.3.b46
Executes a statement for a number of iterations based on a start and end value.
Usage
[for(var, start, end): body][for(var, start, end, stepsize): body][for(var, start, end, stepsize, separator): body]Parameters
The var variable counts from start towards end during the loop, and the optional stepsize (default +1) is added to var at each iteration. Note that in the standard incrementing usage with a stepsize of 1, the body does not execute when var reaches end.
Note that stepsize must be integer and not 0. Floating values will be rounded down.
list_separator default value is ",". Some examples of other useful separators: nothing "", space " " and break "<br>".
Examples
[for(i,0,10): "i is now " + i]Counts up from 0 to 9.
[for(i,10,0,-2): "i is now " + i]Counts down even numbers from 10 to 2.
[for(i,10,-1,-2): "i is now " + i]Counts down even numbers from 10 to 0.
See Also
[foreach():], Introduction to Macro Loops
Version Changes
- 1.3b54 - Changed the comparison operator when comparing the
vartoendwhen determining whether to continue executing a new iteration. In version 1.3b53 and earlier, on each iteration it compared ifvarwas less than or equal toend. As of version 1.3b54, it is now comparing ifvaris less thanend.