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st: RE: unzip problems in Stata 11

From   Nick Cox <>
To   "''" <>
Subject   st: RE: unzip problems in Stata 11
Date   Fri, 5 Nov 2010 19:08:25 +0000

Some preliminary experiments do suggest that this is a bug introduced in Stata 11. 


William M. Doerner

In Stata 10, I can use the unzipfile command without
problems.  In Stata 11, I am getting a variety of error messages like
"no variables defined" when I enclose a filename with double
quotations (same command I am using in Stata 10).  All I type is

unzipfile "ABC", replace

An obvious workaround is to rename all of my zipped files to have no
spaces and then rerun the code.  However, I was wondering if there is
an option or an undocumented trick that I might not know about so I
can avoid extra coding.   I noticed there were one or two posts a few
years ago about problems with double quotes in MS DOS, but they did
not deal with the unzipfile command.  Plus, there is no problem in
Stata 10 so I was wondering why this became an issue in Stata 11.

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