Variables with Expression & Config
I am generating the Output-Path for FlatFiles dynamically. I require a file name of the form YYMMDD_name.txt. For testing purposes I optionally generate the alternative version TEST_name.txt. I can change the setting from Test to YYMMDD(Release) using a boolean in a config file. This works pefectly using Expressions from within Visual Studio. I have two config files, one for TEST and one for YYMMDD. dtexec /File Package.dtsx /Conf TEST.dtsConfig dtexec /File Package.dtsx /Conf YYMMDD.dtsConfig I am now executing the YYMMDD version from command line (Config Value Test=0). I then get some files of the form TEST_name.txt and some with YYMMDD_name.txt. I believe the config is not loaded properly until the process has nearly completed. Out of 20 files a maximum of 5 were generated correctly, mostly 0-3. Does this ring a bell? I am rather confused and have no idea what to do.
September 28th, 2010 12:31pm

seems like specifying the alternative config file did not work. I am not sure if having the project open might of also had an influence. However it is working now and the weird results I was getting with half good half bad just went away. Can't say the issue is solved forever but for now it seems ok...
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September 28th, 2010 1:23pm

Im not very clear as to what you were trying to do. Tweet me..
September 28th, 2010 2:57pm

problem has turned up again... I'll try to clarify what I am doing: Im am generating 20 different flat files from a t-sql database. the file generation works fine. these 20 files must be stored with a filename that is generated using an expression. @[User::OutputPath] + "\\" + @[User::Prefix] + @[User::_FormatDate] + "Name.txt" "OutputPath" and "Prefix" are read from a Config-File, "_FormatDate" is generated either from the current date, or from date variables defined in .bat call. The call looks something like this: dtexec /File Package.dtsx /Set \package.variables[Year].Value;2005 /ConfigFile Config.dtsConfig a file that is generated with this call should look like this: OutputPath\Prefix2005Name.txt most of them do, but some look like this: OutputPath\Prefix2010Name.txt with other words the "/Set \package.variables[Year].Value;2005" does not seem to come into effect right away, but after the process has already written a few files. It always only goes wrong with the files written first, so it seems to update the expression too late. I have tried quite a few things to get things right, I am currently thinking about using a ScriptTask to set the value, as expressions just don't seem to work as I would expect them to. I have already tried using a ScriptTask and simply passed the variables using expressions, hoping that this would force them to update, this did not work. Any ideas would be greatly appreciated!
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November 24th, 2010 9:28am

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