Developer FAQ: Difference between revisions

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(Finding source for a given function)
 
(finding source: no need for regular expression, and shouldn't have ^)
Line 4: Line 4:
  octave:1> which addpath
  octave:1> which addpath
  'addpath' is a built-in function from the file libinterp/corefcn/load-path.cc
  'addpath' is a built-in function from the file libinterp/corefcn/load-path.cc
While editing the file, the function definition usually matches a regular expression like
While editing the file, the function definition can be found by searching for something like
  ^(addpath,
  (addpath,
(The '(' may need to be escaped, depending on the flavour of regular expression used.)

Revision as of 07:39, 10 May 2016

1. How can I find which file implements a given command?

From within Octave, use 'which':

octave:1> which addpath
'addpath' is a built-in function from the file libinterp/corefcn/load-path.cc

While editing the file, the function definition can be found by searching for something like

(addpath,