Delphi Basics : RTL by Unit : SysUtils

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Type	Name	Summary

Procedure	Abort	Aborts the current processing with a silent exception
Function	AnsiCompareStr	Compare two strings for equality
Function	AnsiCompareText	Compare two strings for equality, ignoring case
Function	AnsiLowerCase	Change upper case characters in a string to lower case
Function	AnsiPos	Find the position of one string in another
Function	AnsiUpperCase	Change lower case characters in a string to upper case
Procedure	AppendStr	Concatenate one string onto the end of another
Procedure	Beep	Make a beep sound
Function	ChangeFileExt	Change the extension part of a file name
Function	CompareStr	Compare two strings to see which is greater than the other
Function	CompareText	Compare two strings for equality, ignoring case
Function	CreateDir	Create a directory
Variable	CurrencyDecimals	Defines decimal digit count in the Format function
Variable	CurrencyFormat	Defines currency string placement in curr display functions
Variable	CurrencyString	The currency string used in currency display functions
Function	CurrToStr	Convert a currency value to a string
Function	CurrToStrF	Convert a currency value to a string with formatting
Function	Date	Gives the current date
Variable	DateSeparator	The character used to separate display date fields
Function	DateTimeToFileDate	Convert a TDateTime value to a File date/time format
Function	DateTimeToStr	Converts TDateTime date and time values to a string
Procedure	DateTimeToString	Rich formatting of a TDateTime variable into a string
Function	DateToStr	Converts a TDateTime date value to a string
Function	DayOfWeek	Gives day of week index for a TDateTime value
Variable	DecimalSeparator	The character used to display the decimal point
Procedure	DecodeDate	Extracts the year, month, day values from a TDateTime var.
Procedure	DecodeTime	Break a TDateTime value into individual time values
Function	DeleteFile	Delete a file specified by its file name
Function	DirectoryExists	Returns true if the given directory exists
Function	DiskFree	Gives the number of free bytes on a specified drive
Function	DiskSize	Gives the size in bytes of a specified drive
Function	EncodeDate	Build a TDateTime value from year, month and day values
Function	EncodeTime	Build a TDateTime value from hour, min, sec and msec values
Function	ExtractFileDir	Extracts the dir part of a full file name
Function	ExtractFileDrive	Extracts the drive part of a full file name
Function	ExtractFileExt	Extracts the extension part of a full file name
Function	ExtractFileName	Extracts the name part of a full file name
Function	ExtractFilePath	Extracts the path part of a full file name
Function	FileAge	Get the last modified date/time of a file without opening it
Function	FileDateToDateTime	Converts a file date/time format to a TDateTime value
Function	FileExists	Returns true if the given file exists
Function	FileGetAttr	Gets the attributes of a file
Function	FileSearch	Search for a file in one or more directories
Function	FileSetAttr	Sets the attributes of a file
Function	FileSetDate	Set the last modified date and time of a file
Function	FindClose	Closes a successful FindFirst file search
Function	FindCmdLineSwitch	Determine whether a certain parameter switch was passed
Function	FindFirst	Finds all files matching a file mask and attributes
Function	FindNext	Find the next file after a successful FindFirst
Function	FloatToStr	Convert a floating point value to a string
Function	FloatToStrF	Convert a floating point value to a string with formatting
Function	ForceDirectories	Create a new path of directories
Function	Format	Rich formatting of numbers and text into a string
Function	FormatCurr	Rich formatting of a currency value into a string
Function	FormatDateTime	Rich formatting of a TDateTime variable into a string
Function	FormatFloat	Rich formatting of a floating point number into a string
Procedure	FreeAndNil	Free memory for an object and set it to nil
Function	GetCurrentDir	Get the current directory (drive plus directory)
Procedure	GetLocaleFormatSettings	Gets locale values for thread-safe functions
Function	IncMonth	Increments a TDateTime variable by a number of months
Function	IntToHex	Convert an Integer into a hexadecimal string
Function	IntToStr	Convert an integer into a string
Function	IsLeapYear	Returns true if a given calendar year is a leap year
Function	LastDelimiter	Find the last position of selected characters in a string
Variable	LongDateFormat	Long version of the date to string format
Variable	LongDayNames	An array of days of the week names, starting 1 = Sunday
Variable	LongMonthNames	An array of days of the month names, starting 1 = January
Variable	LongTimeFormat	Long version of the time to string format
Function	LowerCase	Change upper case characters in a string to lower case
Constant	MinsPerDay	Gives the number of minutes in a day
Constant	MonthDays	Gives the number of days in a month
Variable	NegCurrFormat	Defines negative amount formatting in currency displays
Function	Now	Gives the current date and time
Function	RemoveDir	Remove a directory
Function	RenameFile	Rename a file or directory
Procedure	ReplaceDate	Change only the date part of a TDateTime variable
Procedure	ReplaceTime	Change only the time part of a TDateTime variable
Constant	SecsPerDay	Gives the number of seconds in a day
Function	SetCurrentDir	Change the current directory
Variable	ShortDateFormat	Compact version of the date to string format
Variable	ShortDayNames	An array of days of the week names, starting 1 = Sunday
Variable	ShortMonthNames	An array of days of the month names, starting 1 = Jan
Variable	ShortTimeFormat	Short version of the time to string format
Function	StringReplace	Replace one or more substrings found within a string
Function	StrScan	Searches for a specific character in a constant string
Function	StrToCurr	Convert a number string into a currency value
Function	StrToDate	Converts a date string into a TDateTime value
Function	StrToDateTime	Converts a date+time string into a TDateTime value
Function	StrToFloat	Convert a number string into a floating point value
Function	StrToInt	Convert an integer string into an Integer value
Function	StrToInt64	Convert an integer string into an Int64 value
Function	StrToInt64Def	Convert a string into an Int64 value with default
Function	StrToIntDef	Convert a string into an Integer value with default
Function	StrToTime	Converts a time string into a TDateTime value
Type	TFloatFormat	Formats for use in floating point number display functions
Type	TFormatSettings	A record for holding locale values for thread-safe functions
Variable	ThousandSeparator	The character used to display the thousands separator
Function	Time	Gives the current time
Variable	TimeAMString	Determines AM value in DateTimeToString procedure
Variable	TimePMString	Determines PM value in DateTimeToString procedure
Variable	TimeSeparator	The character used to separate display time fields
Function	TimeToStr	Converts a TDateTime time value to a string
Type	TReplaceFlags	Defines options for the StringReplace routine
Function	Trim	Removes leading and trailing blanks from a string
Function	TrimLeft	Removes leading blanks from a string
Function	TrimRight	Removes trailing blanks from a string
Type	TSearchRec	Record used to hold data for FindFirst and FindNext
Type	TSysCharSet	Characters used by supplied string parsing functions
Variable	TwoDigitYearCenturyWindow	Sets the century threshold for 2 digit year string conversions
Function	UpperCase	Change lower case characters in a string to upper case
Function	WrapText	Add line feeds into a string to simulate word wrap

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