Developer FAQ: Difference between revisions

Developer FAQ (edit)

654 bytes added , 3 October 2018

Add Category:Development some extensions.

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-. ''How can I find which file implements a given command?''
+== ''How can I find which file implements a given command?'' ==
-From within Octave, use 'which':
+From within Octave, use <code>which</code>:
- octave:1> which addpath
+<syntaxhighlight lang="Octave">
- 'addpath' is a built-in function from the file libinterp/corefcn/load-path.cc
+>> which help
-While editing the file, the function definition can be found by searching for something like
+</syntaxhighlight>
- (addpath,
+  'help' is a function from the file /some/path/m/help/help.m
+If the desired function is a m-file, one can simply edit it inside the GUI, just type:
+<syntaxhighlight lang="Octave">
+>> edit help
+</syntaxhighlight>
+Some functions are already compiled (a.k.a. ''built-in functions''), for example:
+<syntaxhighlight lang="Octave">
+>> which addpath
+</syntaxhighlight>
+  'addpath' is a built-in function from the file libinterp/corefcn/load-path.cc
+This function is to be found in Octave's source code, in this case at [https://hg.savannah.gnu.org/hgweb/octave/file/b33d4fbce33e/libinterp/corefcn/load-path.cc#l2355].
+If the source code is cloned to a local machine, you can edit the repective file and search for something like "<code> (addpath,</code>".
+[[Category:Development]]