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Assume that I know a package's (Context?) name that is loaded. Now I want to list the functions defined in this package. How can I do it?

I remember that I found a way once, but I cannot re-find it. I tried some combinations with ? but for vain.

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3 Answers 3

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Possibly this way: 

<< PrimalityProving`

?PrimalityProving`*

or alternatively (see the copy&paste issue in the comments)

?"PrimalityProving`*"

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See also the help under ref/Information, subsection "Generalizations & Extensions". In some cases you have to provide a string argument:

Information["*Values"]

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  • $\begingroup$ Thanks! This is exactly what I was looking for. $\endgroup$
    – Dror
    Mar 28, 2012 at 10:48
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    $\begingroup$ In version 7 I need ?"PrimalityProving`*" (string). Is this no longer the case in v8? ` $\endgroup$
    – Mr.Wizard
    Mar 28, 2012 at 11:42
  • $\begingroup$ With 8.04 it works without quotes . I´ll add the quoted version. $\endgroup$
    – Yves Klett
    Mar 28, 2012 at 12:49
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    $\begingroup$ @Mr.Wizard this is just a copy/paste issue that arises from pasting ?PrimalityProving`* into a cell after something else. It doesn't paste correctly in 8 either but will work without the quotes in either version if pasted into a cell on its own or typed in directly. $\endgroup$
    – Oleksandr R.
    Mar 28, 2012 at 13:25
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    $\begingroup$ The above lists all the public functions. In addition, doing Context`*`* will list the functions in the `` Private `` context and other subcontexts nested one level (most packages do not go beyond that). I've found some neat helper functions that way... $\endgroup$
    – rm -rf ♦
    Jul 29, 2012 at 5:23
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Another possibility:

<< PrimalityProving`

Names["PrimalityProving`*"]

   {CertificateDiscriminant, CertificateK, CertificateM,
    CertificateNextPrime, CertificatePoint, CertificatePrime, fact,
    HilbertPolynomial, ModularInvariantj, PointEC, PointECQ,
    PrimeQCertificate, PrimeQCertificateCheck, ProvablePrimeQ}
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    $\begingroup$ Of course you'd want to use this form, with explicit mention of Names, in case you were trying to get the list of package names from within other code. $\endgroup$
    – murray
    Mar 28, 2012 at 14:56
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I made a little interactive thing ('reportPackages') that often proves helpful. It lives in my own utilities package:

?? reportPackages

reportPackages::usage = "reportPackages produces a window with a SetterBar and a button. The SetterBar lists all currently linked Packages (from $Packages). The button produces a clickable list of exported Symbols of a selected Package. Clicking a symbolname gives its usage note if present ";

    reportPackages := 
  DynamicModule[{pakket, functies}, 
   Column[{SetterBar[Dynamic[pakket], $Packages, 
       Appearance -> "Row"], 
      Column[{Dynamic[functies = pakket <> "*"], 
        Button["info", 
         Information[Evaluate[functies], LongForm -> False]] }] }] // 
    Framed];
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