Gabi,
One idea is to rename all do-files so that the file names only have
lowercase letters. Several free programs can help with this task, for
example Lupas Rename.
http://rename.lupasfreeware.org/
Friedrich
On Mon, Apr 14, 2008 at 7:05 PM, Gabi Huiber <[email protected]> wrote:
> I am having a problem with uppercase letters in file names.
>
> I am trying to impose some version control on a bunch of do-files of
> the type [filename]_yyyymmdd.do, that have been saved weekly with
> various changes over the past two years or so.
>
> In the first stage of this job I just want to read their names, then
> collect the yyyymmdd part in a matrix. But I am hitting a snag with
> files where the alphanumeric part contains uppercase characters. My
> code goes like this:
>
> ____ code snippet starts here_____
>
> local `k'list: dir "${dofrom}" files "`k'*.do" // this is the list
> of do-files that start with string "`k'_"
> local `k'clean: list clean `k'list // this strips the
> quotes around file names `k'_[...].do
> local `k'num: list sizeof `k'clean // this is the gross
> length of that list (in some cases
> di "`k'"
> di ``k'num' // it includes
> all files that start with `k'_, not strictly
> // files of
> type `k'_YYYYMMDD.do. in those cases
> // an extra
> step is needed, see below)
> matrix define `k'dates=J(``k'num',1,0) // set up empty matrix to
> collect dates of do-files
>
> _____and ends here_____________
>
> Now, for cases where this `k' local is like say "clean_report_", all
> is well. But when `k' is like "DNAreport_", I get a reading error and
> as a result ``k'num', the length of the list of do-files of interes,
> becomes zero. See this case:
>
> ______snippet of screen output starts here____
>
> clean_report_
> 13
> number of observations will be reset to 13
> Press any key to continue, or Break to abort
> obs was 0, now 13
> (0 observations deleted)
> 13
>
> clean_report_dates[13,1]
> c1
> r1 20080109
> r2 20080116
> r3 20080123
> r4 20080130
> r5 20080207
> r6 20080213
> r7 20080220
> r8 20080227
> r9 20080305
> r10 20080312
> r11 20080319
> r12 20080326
> r13 20080409
> DNAreport_
> 0
> invalid syntax
> r(198);
>
> end of do-file
> r(198);
>
> ____and ends here________
>
> I am not sure how to get Stata to recognize these file names properly.
> I would appreciate any ideas.
>
> Best,
> Gabi
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