Subject Re: Directory verification
From Ken Mayer <>
Date Sun, 16 Apr 2017 11:13:17 -0700
Newsgroups dbase.getting-started

On 4/16/2017 9:52 AM, Heinz Kesting wrote:
> Hi Charlie,
>> Is it possible to verify if directories on a computer outside dbase
>> exist?
> More on this. While VALIDDRIVE() only checks if the specified DRIVE is
> valid or present, you can use the following TRY construct to test for an
> existing directory:
> private cCurDir // PRIVATE is important here
> cCurDir = set("DIRECTORY") // save current dir
> try
>    cd "D:\folder1\folder2\folder3" // example folder
>    set directory to &cDir. // switch back to previous dir
> catch (exception e)  // catch error if not existing
>    msgbox("No such folder")
> endtry
> If the command CD ... is successful, the directory is actually changed,
> but if you don't want this to happen right now, and only need to know if
> the folder exists, then you may want to switch back to the folder you
> were working in before. That's why the storage of the current folder at
> the beginning.
> If you need more functions for working with folders, you could use the
> Windows FileSystemObject. This would provide functions like
> FolderExists(), CreateExists() and DeleteFolder()

There is also functionality in the dUFLP (IsDir() ...) that will do this.


*Ken Mayer*
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