User command: Difference between revisions

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The benefit of using user commands is that they can be executed without having to explicitly copy their code into the active workspace.<ref name="dal"/>
The benefit of using user commands is that they can be executed without having to explicitly copy their code into the active workspace.<ref name="dal"/>


APL user commands start with a right bracket, e.g., <source lang=apl inline>]yourcommand</syntaxhighlight>.
APL user commands start with a right bracket, e.g., <syntaxhighlight lang=apl inline>]yourcommand</syntaxhighlight>.


In [[Dyalog APL]], many useful user commands are included into the distribution, e.g., <source lang=apl inline>]boxing on</syntaxhighlight>, <source lang=apl inline>]plot</syntaxhighlight>, etc. Special command <source lang=apl inline>] -?</syntaxhighlight> allows to see a full list of user commands.
In [[Dyalog APL]], many useful user commands are included into the distribution, e.g., <syntaxhighlight lang=apl inline>]boxing on</syntaxhighlight>, <syntaxhighlight lang=apl inline>]plot</syntaxhighlight>, etc. Special command <syntaxhighlight lang=apl inline>] -?</syntaxhighlight> allows to see a full list of user commands.


== External links ==
== External links ==
=== Tutorials ===
* [[Adám Brudzewsky]]: [https://www.youtube.com/watch?v=EoF4sE4U9oQ live-programming APL: a new user command]
=== Documentation ===
* [https://docs.dyalog.com/latest/User%20Commands%20User%20Guide.pdf Dyalog]
== References ==
<references/>
<references/>


Latest revision as of 18:52, 13 November 2022

User commands[1] or user-defined commands[2] are a way for a user to introduce new commands in addition to system commands.

The benefit of using user commands is that they can be executed without having to explicitly copy their code into the active workspace.[1]

APL user commands start with a right bracket, e.g., ]yourcommand.

In Dyalog APL, many useful user commands are included into the distribution, e.g., ]boxing on, ]plot, etc. Special command ] -? allows to see a full list of user commands.

External links

Tutorials

Documentation

References

  1. ↑ 1.0 1.1 UI Guide – User Commands – Dyalog APL
  2. ↑ 3.14 User-defined Commands – GNU APL


APL syntax [edit]
General Comparison with traditional mathematics ∙ Precedence ∙ Tacit programming (Train, Hook, Split composition)
Array Numeric literal ∙ String ∙ Strand notation ∙ Object literal ∙ Array notation (design considerations)
Function Argument ∙ Function valence ∙ Derived function ∙ Derived operator ∙ Niladic function ∙ Monadic function ∙ Dyadic function ∙ Ambivalent function ∙ Defined function (traditional) ∙ Dfn ∙ Function train
Operator Operand ∙ Operator valence ∙ Tradop ∙ Dop ∙ Derived operator
Assignment Multiple ∙ Indexed ∙ Selective ∙ Modified
Other Function axis ∙ Bracket indexing ∙ Branch ∙ Statement separator ∙ Quad name ∙ System command ∙ User command ∙ Keyword ∙ Dot notation ∙ Function-operator overloading ∙ Control structure ∙ Comment
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