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From |
Augusto Cadenas <aug.cadenas@googlemail.com> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
st: Two-word commands with gettoken |

Date |
Sat, 7 Mar 2009 15:09:00 -0500 |

Hello, I have a question about -gettoken- and programming in Stata. The stata help file suggests that -gettoken- can be used to create a two-word command. This is the example that is given: *** begin example *** program define mycmd gettoken subcmd 0: 0 if "`subcmd'"=="list" { mycmd_l `0' } else if "`subcmd'"=="generate" { mycmd_g `0' } else error 199 end program define mycmd_l ... end program define mycmd_g ... end *** end example *** I wonder how I could use the `subcmd' that has been determined by the first program, -mycmd-, within the sub-programs -mycmd_l- and -mycmd_g- without referring to it explicitly. To make a concrete example: In my case I want a program to do two similar, but slightly different things depending on whether I am doing an OLS regression or an IV regression. So the setup I have in mind is like: *** begin example *** program define mycmd gettoken subcmd 0: 0 if "`subcmd'"=="reg" | "`subcmd'"=="areg" | "`subcmd'"=="xtreg" { mycmd_ols `0' } else if "`subcmd'"=="ivreg" | "`subcmd'"=="xtivreg" | "`subcmd'"=="ivreg2" | "`subcmd'"=="xtivreg2" { mycmd_iv `0' } else error 199 end program define mycmd_ols ... `subcmd' `0' ... end program define mycmd_iv ... `subcmd' `0' ... end *** end example *** But this does not work, I guess because `subcmd' is not recognized within the next program. How do I get around that? It's two days I'm trying and I haven't found a solution. Thanks for any suggestions. AC * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**st: RE: Two-word commands with gettoken***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

**st: Re: Two-word commands with gettoken***From:*"Martin Weiss" <martin.weiss1@gmx.de>

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