{smcl}
{* 19feb2015}{...}
{cmd:help whichpkg}
{hline}

{title:Title}

{p2colset 5 18 20 2}{...}
{p2col :{hi:whichpkg} {hline 2}}Display information on components of a Stata package
{p_end}
{p2colreset}{...}


{title:Syntax}

{p 8 20 2}
{cmd:which} {it:pkgname}[{cmd:.}{it:ftype}]


{title:Description}

{pstd}
{cmd:whichpkg} is an extension to Stata's official {helpb which} command.
{cmd:whichpkg} displays information on all the components of the package {it:pkgname}.
A Stata package is a collection of files.
For each component file of the package,
{cmd:whichpkg} displays the full path and filename,
plus (if the file is text format) all lines starting with "{hi:*!}".
{cmd:whichpkg} can also be used as a substitute for Stata's official {helpb which}.

{pstd}
{cmd:whichpkg} is built around {helpb which}
but differs from it in two main respects:
(a) {cmd:whichpkg} provides support for Stata packages;
(b) {cmd:whichpkg} always searches for {bf:all} instances of a file,
and will report on duplicate files if encountered.
For further details see {helpb which:help which}.

{pstd}If {it:ftype} is omitted, {cmd:whichpkg} assumes {hi:.pkg}.
Allowable {it:ftypes} are all those supported by {helpb which}.

{pstd}{cmd:whichpkg} requires Stata 9 or higher.

{title:Examples}

{p 0}Display components of package {it:ivreg2}:

{p 8 12}{stata "whichpkg ivreg2": . whichpkg ivreg2}

{p 0}Display information on file {it:ivreg2.ado} (equivalent to {stata "which ivreg2, all": which ivreg2, all}:)

{p 8 12}{stata "whichpkg ivreg2.ado": . whichpkg ivreg2.ado}

{title:Author}

	Mark E Schaffer, Heriot-Watt University, UK
	m.e.schaffer@hw.ac.uk

{title:Also see}

{psee}
Online:  {helpb which}, {helpb ssc}, {helpb ado}, {helpb net}, {helpb sj}, {helpb stb}
{p_end}