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st: Re: Appending several files

From   Jens Lauritsen <>
Subject   st: Re: Appending several files
Date   Mon, 16 Oct 2006 18:25:06 +0200

A simple technique can be useful to "trick" Stata to behave like a dataset exists:
* create an empty dataset with one observation and one variable:
set obs 1
gen articifialvar = 1

* now you can do anything where Stata expects an open data set to be present, e.g. from
* the current discussion:
qui fs *
foreach f in `r(files)' {
append using `f'

* following appending all the files the first imaginary observation and variable can be dropped:
drop artificialvar
drop in 1

Jens Lauritsen
Odense, Denmark

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