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You'll need to provide more details on what you're trying to pull off here in order for this to be an actionable question. &nbsp;Read ​<a href="https://www.experts-exchange.com/articles/18499/Top-10-Ways-to-Ask-Better-Questions.html" rel="ugc">Top 10 Ways to Ask Better Questions</a>, Number Ten. <br />
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&gt;decide which one is it <br />
It's possible to create a ForEach File Loop, read the file name, and then send it to an appropriate data pump based on the interpretation of that file name to what the schema is. &nbsp;afaik it's not possible for SSIS to read a file, then interpret it's format. <br />
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&gt;what to do depending on whether it is a fixed or a non-fixed.<br />
Define 'what to do'. &nbsp;Without a definition, no idea what that means.
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You'll need to provide more details on what you're trying to pull off here in order for this to be an actionable question.  Read Top 10 Ways to Ask Better Questions [https://www.experts-exchange.com/articles/18499/Top-10-Ways-to-Ask-Better-Questions.html], Number Ten.

>decide which one is it
It's possible to create a ForEach File Loop, read the file name, and then send it to an appropriate data pump based on the interpretation of that file name to what the schema is.  afaik it's not possible for SSIS to read a file, then interpret it's format.

>what to do depending on whether it is a fixed or a non-fixed.
Define 'what to do'.  Without a definition, no idea what that means.

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Working on SSIS package that currently accepts non fixed files. Have to make it able to decide which one is it and what to do depending on whether it is a fixed or a non-fixed. &nbsp;Thank you.
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Working on SSIS package that currently accepts non fixed files. Have to make it able to decide which one is it and what to do depending on whether it is a fixed or a non-fixed.  Thank you.

Input files

Most development for the Microsoft platform is done utilizing the technologies supported by the.NET framework. Other development is done using Visual Basic for Applications (VBA) for programs like Access, Excel, Word and Outlook, with PowerShell for scripting, or with SQL for large databases.

Microsoft Development

Microsoft SQL Server is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.SQL Server is available in multiple versions, typically identified by release year, and versions are subdivided into editions to distinguish between product functionality. Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning.

Microsoft SQL Server

SQL Server Integration Services (SSIS) is a component of the Microsoft SQL Server database software that can be used to perform a broad range of data migration tasks. SSIS is a platform for data integration and workflow applications. It features a fast and flexible data warehousing tool used for data extraction, transformation, and loading (ETL). The tool may also be used to automate maintenance of SQL Server databases and updates to multidimensional cube data. SSIS replaced Data Transformation Services, which had been a feature of SQL Server since Version 7.0.