Re: Comment about SetDirectory[]
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- Subject: [mg130866] Re: Comment about SetDirectory[]
- From: John Fultz <jfultz at wolfram.com>
- Date: Wed, 22 May 2013 02:19:10 -0400 (EDT)
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I've never heard of or seen Alexey's issue before. However, it is the case that NotebookDirectory[] will return $Failed if you execute NotebookDirectory[]: * in a notebook which hasn't been saved to disk, and therefore doesn't have a notebook. * in an evaluation which wasn't directly triggered by a specific notebook, such as a ScheduledTask. John Fultz jfultz at wolfram.com User Interface Group Wolfram Research, Inc. On May 20, 2013, at 11:02 PM, "Alexey Popkov" <lehin.p at gmail.com> wrote: > Hi Paul, > > I would not recommend to use the > > Export[NotebookDirectory[] <> "TestResultTime.txt", mTimeDiff, "Table"] > > form if you are exporting many such files because NotebookDirectory[] > sometimes (approximately one time in 500 exports in one of my programs) > returns nothing and the file is exported to the default directory. > > As to your case I think it is possible that SetDirectory[] worked but > NotebookDirectory[] failed... I would recommend to check the output of > NotebookDirectory[] with StringLength. > > with best wishes, > Alexey > > > > "McHale, Paul" wrote:kn77kd$8ig$1 at smc.vnet.net... > > I have often wondered whether to use: > > SetDirectory[NotebookDirectory[]] > Export["TestResultTime.txt", mTimeDiff, "Table"] > > or > > Export[NotebookDirectory[] <> "TestResultTime.txt", mTimeDiff, "Table"] > > I have left Mathematica open for 2 days as it was running a very long test. > Maybe something became corrupted. The first method did not work. It > appears SetDirectory[] simply stopped functioning. Personally, I think the > second method is better since it is atomic in nature. It doesn't depend on > any stateful settings. > > Has anyone else had this issue? > > Thanks, > > Paul McHale | Electrical Engineer, Energetic Systems | Excelitas > Technologies Corp. > > Office: +1 937.865.3004 | Fax: +1 937.865.5170 > 1100 Vanguard Boulevard, Miamisburg, OH 45342-0312 > Paul.McHale at Excelitas.com > www.excelitas.com > >
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- From: "Alexey Popkov" <lehin.p@gmail.com>
- Re: Comment about SetDirectory[]