The unit FILESYS contains a collection of system and file specific routines. Among many helpful routines, FILESYS offers the class TUnivSaveDialog which extends the standard save dialog (or any other proprietary dialog) by an overwrite confirmation request.

See the online help pages for detailed information on the unit FILESYS.

The unit FILESYS is part of the SDL Component Suite.

What's new:

• Release 12.0   [Dec-12, 2023]
   
  • implemented the function ReadStringFromTextFile to read text from a textfile into a string
  • implemented a collection of easy to use routines for accessing the Windows registry: DeleteRegKey, DeleteRegValue, GetRegAllSubkeys, GetRegAllValueNames, GetRegValue, GetRegValueAsBoolean, GetRegValueAsDouble, GetRegValueAsInt, RegKeyExists, RegValueExists and SetRegValue
  • the new function FilterCopyTextFile allows to remove certain lines from a text file
  • the new procedure ClearTextFile empties a text file
  • the new function GetMemoryUsed returns the amount of memory used by the current process
  
  
• Release 10.7   [Aug-24, 2020]
   
  • the new property ParentWnd of the TUnivSaveDialog allows to assign a parent window in order to control the position of the default dialog
  • the functions DateTimeToFileTime and FileTimeToDateTime convert file times to date times and vice versa.
  • the functions GetFileDates and SetFileDates support the access of file dates
  • the functions IsValidFileName and ReplaceInvalidFileNameChars test and process invalid filenames
  • the function GetMemoryStatus retrieves the available system memory
  • the function IsFN83CompliantPath checks for Windows 8.3 compliant filenames
  • the function GetMacAddress retrieves the MAC address of the network adapter
  
  
• Release 10.6   [Mar-09, 2018]
   
  • the function StripExtension has been adjusted to correctly process filenames with more than one dot
  • the procedure EnsureCRLFInFile ensures that CRLF characters will terminate lines in text files
  • the function ReadLastNLinesOfTextFile reads the N last lines of a text file
  • the function CountLinesInTextFile provides now a callback routine
  
  
• Release 10.5   [Oct-10, 2016]
   
  • the universal save dialog uses now the class TFileSaveDialog as the default dialog
  • the function InsertBeforeFileExt allows to insert a substring into a filename
  
  
• Release 10.4   [Jun-02, 2015]
   
  • the universal save dialog supports now the FilterIndex property
  • the new property ForbiddenDir of the universal save dialog allows to prevent a particular directory to be written to
  • the new event OnForbiddenDir is triggered if the user tries to write to a forbidden directory
  
  
• Release 10.3   [Oct-06, 2014]
   
  • bug fix: GetTempDir created access errors under certain circumstances
  
  
• Release 10.2   [May-30, 2013]
   
  • the procedure BuildDriveList retrieves the list of available disk drives
  • the function GetProgAssoc returns the program associated with a particular file extension
  • the new function ParentDir returns the parent directory of a file path
  
  
• Release 10.1   [Oct-29, 2012]
   
  • the new function AbridgeFilePath creates an abbreviated file path
  • bug fix: DelDirTree and DirIsReadOnly no longer crash under RadStudio XE2
  
  
• Release 10.0   [Oct-4, 2011]
   
  • function InventPassWord has been extended by additional parameters
  • new function FindFirstMatchInTextFile allows to search for a substring in a text file
  
  
• Release 9.7   [May-31, 2010]
   
  • the new function CountFiles counts all files matching particular search criteria
  • bug fix: version [2] of ReadHeaderOfASC now correctly reads old ASC-file headers which do not specify any information on categorial values.
  
  
• Release 9.51   [Dec-01, 2008]
   
  • no changes
  
  
• Release 9.5   [Oct-31, 2008]
   
  • new procedure ReadNextWordInTextFile implemented
  • new function CheckTextFileType implemented
  • function ReadHeaderOfASC extended to allow for the definition of nominal and ordinal variables
  
  
• Release 9.0   [May-28, 2007]
   
  • new function DetectStringInFile can be used to check validity of a file
  
  
• Release 8.5   [Feb-18, 2006]
   
  • component TUnivSaveDialog has now another predefined parameter "ext" which allows to force a file extension
  • new function EnsureDefaultFileExt adds a default file extension to an extensionless filename
  
  
• Release 8.2   [Nov-03, 2004]
   
  • FileCopyFeedBk now copies the source file even if the destination file is only a path to a directory
  
  
• Release 8.1   [Aug-29, 2004]
   
  • available for Delphi™ 8 for .NET
  • ScanFilesToStrList does no longer clear the string list
  
  
• Release 8.0   [Apr-15, 2004]
   
  • new class TUnivSaveDialog provides a universal save dialog
  • AppendToTextFile implemented
  • CountLinesInTextFile implemented
  • IsDOS83Path implemented
  • ReadHeaderOfASC moved from NTABED
  
  
• Release 7.2   [Mar-23, 2003]
   
  • FILESYS is now part of BasePack
  
  
• Release 7.0   [Sep-15, 2002]
   
  • available for Delphi™ 7.0
  • the unit is now CLX compatible
  • Feedback of ScanFilesToStrList enhanced
  
  
• Release 6.5   [May-28, 2002]
   
  • available for C++Builder™ 6.0
  • TStringFeedback and TNumericFeedback implemented
  
  
• Release 6.0 [Aug-06, 2001]
   
  • FILESYS is now available to the public and included in the SDL Component Suite 6.0