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From |
"Nick Cox" <n.j.cox@durham.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: Clickable examples in ado help files |

Date |
Thu, 18 Sep 2003 18:44:30 +0100 |

Mark Schaffer > > A couple of questions for you: > > 1. What do you think of clickable examples in a command > help file? > That is, if the example in the help file is > > ivreg2 y1 x1 x2 (y2 y3 = z1 z2 z3), gmm ffirst > > and you click on this line, then the command is executed. It's > possible to do this in smcl with {stata <command> : <text of the > command> } , but is it worth it? Yes. Various graph help files are examples. > 2. This would work only if the dataset that the example uses is in > memory. I tried to put a clickable command to load the data in the > help file with the command > > {stata use "http://fmwww.bc.edu/ec-p/data/macro/abdata.dta"; > : . stata > use http://fmwww.bc.edu/ec-p/data/macro/abdata.dta} > > where the part following the : separator is the clickable text to > display to the user, and the "" are used because the URL > contains a :. > > Unfortunately, what gets displayed is > > //fmwww.bc.edu/ec-p/data/macro/abdata.dta" : . use > http://fmwww.bc.edu/ec-p/data/macro/abdata.dta > > (all on one line) > > and when I click on it, Stata tries to execute the command > > use "http > > with the following result: > > . use "http > file http.dta not found > r(601); > > What's happening is that Stata is ignoring the "" and treats the > first : in the URL as the separator for the smcl command. > > I'm using Stata 7 (but hoping to update soon....). Does > this happen > in Stata 8 too? Any ideas on a Stata 7 (or 8) workaround? I haven't thought of how much more difficult to do this in Stata 7. In Stata 8 I would look at -gr_example.ado-, which is not even -undocumented-, but fairly transparent. In essence, I suspect that you _must_ do it indirectly. At a minimum you have to -preserve-, read in the example dataset, do whatever it is and -restore-. You can't do all that without bundling it in a program. -gr_example- is a template. Nick n.j.cox@durham.ac.uk * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: RE: Clickable examples in ado help files***From:*"Mark Schaffer" <M.E.Schaffer@hw.ac.uk>

**References**:**st: Clickable examples in ado help files***From:*"Mark Schaffer" <M.E.Schaffer@hw.ac.uk>

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