Nick's blog
XLA routines: EE_RangeTrim
Submitted by Nick on 31 January, 2015 - 08:58Use EE_RangeTrim to trim a range that is passed to date functions to make the calc quicker
Function EE_RangeTrim(rng As range) As range 'Returns a new range containing only the populated cells '- use RangeTrim for all the date functions to prevent looping through the whole range. Dim rngC As range 'http://excelexperts.com/xla-routines-eeRangeTrim for updates on this function If rng.Cells.Count = 1 Then If rng.value <> vbNullString Then Set EE_RangeTrim = rng Exit Function End If End If On Error Resume Next
XLA routines: EE_LastFridayOfMonth
Submitted by Nick on 31 January, 2015 - 08:56
EE_LastFridayOfMonth returns the last friday of the month that the date entered is in.
Function EE_LastFridayOfMonth(dt As Date) As Date 'Takes a date, returns last friday. Dim intLoop As Integer Dim dtLast As Date 'http://excelexperts.com/xla-routines-eeLastFridayOfMonth for updates on this function dtLast = EE_LastDayOfMonth(dt) Do While Weekday((dtLast - intLoop)) <> vbFriday intLoop = intLoop + 1 Loop EE_LastFridayOfMonth = dtLast - intLoop End Function
XLA routines: EE_NthWeekdayOfMonth
Submitted by Nick on 31 January, 2015 - 08:47EE_NthWeekdayOfMonth returns the nth weekday of the month that a date is in.
- so you could use this function to find the 3rd wednesday in the month (an IMM date for example), or the 2nd Friday...
XLA routines: EE_BusinessDaysInDateRange
Submitted by Nick on 31 January, 2015 - 08:46EE_BusinessDaysInDateRange takes 2 dates, and a holiday calendar, and returns the number of business days in the date range.
Function EE_BusinessDaysInDateRange(dt1 As Date, dt2 As Date, rngHolidays As range) 'Takes date 1, date 2 and works out the amount of business days between them '- takes range of holidays Dim intLoop As Date Dim intDaysCount As Integer 'http://excelexperts.com/xla-routines-eeBusinessDaysInDateRange for updates on this function For intLoop = dt1 To dt2 Step IIf(dt1 > dt2, -1, 1) If EE_IsBusinessDay(rngHolidays, i
XLA routines: EE_LastBusinessDayOfMonth
Submitted by Nick on 31 January, 2015 - 08:46EE_LastBusinessDayOfMonth takes a date, a holiday calendar and returns the last business day of the month that the date is in.
Function EE_LastBusinessDayOfMonth(dt As Date, rngHolidays As range) As Date '- as above but rolls to the previous business day if the last bus day is a hol '- also takes a range with the holiday calendar 'http://excelexperts.com/xla-routines-eeLastBusinessDayOfMonth for updates on this function If EE_IsBusinessDay(rngHolidays, EE_LastDayOfMonth(dt)) Then EE_LastBusinessDayOfMonth = EE_LastDayOfMonth(dt) Else EE_LastBusiness
XLA routines: EE_LastDayOfMonth
Submitted by Nick on 31 January, 2015 - 08:45EE_LastDayOfMonth takes a date and returns the last day of the month that the date is in.
Function EE_LastDayOfMonth(dt As Date) As Date 'Takes a date and returns the last day of the month 'http://excelexperts.com/xla-routines-eeLastDayOfMonth for updates on this function EE_LastDayOfMonth = DateAdd("d", -1, EE_FirstDayOfMonth(DateAdd("m", 1, dt))) End Function
XLA routines: EE_FirstDayOfMonth
Submitted by Nick on 31 January, 2015 - 08:45EE_FirstDayOfMonth takes a date and returns the first business day of the month that the date is in.
Function EE_FirstBusinessDayOfMonth(dt As Date, rngHolidays As range) As Date '- as above but rolls to the next business day if the first bus day is a hol '- also takes a range with the holiday calendar 'http://excelexperts.com/xla-routines-eeFirstBusinessDayOfMonth for updates on this function If EE_IsBusinessDay(rngHolidays, EE_FirstDayOfMonth(dt)) Then EE_FirstBusinessDayOfMonth = EE_FirstDayOfMonth(dt) Else EE_FirstBusinessDayOfMonth = EE_NextBus
XLA routines: EE_FirstDayOfMonth
Submitted by Nick on 31 January, 2015 - 08:44EE_FirstDayOfMonth takes a date and returns the first day of the month that the date is in.
Function EE_FirstDayOfMonth(dt As Date) As Date 'Takes a date and returns the 1st day of the month 'http://excelexperts.com/xla-routines-eeFirstDayOfMonth for updates on this function EE_FirstDayOfMonth = Format(Month(dt) & "/1/" & Year(dt), "mm/dd/yyyy") End Function
XLA routines: EE_SubtractBusinessDays
Submitted by Nick on 31 January, 2015 - 08:43EE_SubtractBusinessDays takes a date, and a holiday calendar and subtracts a specified amount of business days.
Function EE_SubtractBusinessDays(dt As Date, rngHolidays As range, intBusinessDays As Integer) As Date 'Takes a date, a range of holidays, business days, and subtracts that amount of business days from the date. Dim intDays As Integer Dim intLoop As Integer Dim dtNew As Date 'http://excelexperts.com/xla-routines-eeSubtractBusinessDays for updates on this function If intBusinessDays = 0 Then EE_SubtractBusinessDays = dt
XLA routines: EE_AddBusinessDays
Submitted by Nick on 31 January, 2015 - 08:43EE_AddBusinessDays takes a date, and a holiday calendar and adds business days.
Function EE_AddBusinessDays(dt As Date, rngHolidays As range, intBusinessDays As Integer) As Date 'Takes a date, a range of holidays, business days, and adds that amount of business days to the date.
XLA routines: EE_PrevBusinessDay
Submitted by Nick on 31 January, 2015 - 08:41EE_PrevBusinessDay takes a date, and a holiday calendar and returns the previous business day.
Function EE_PrevBusinessDay(rngHolidays As range, dt As Date) As Date 'Takes a date, a range of holidays, and returns the previous business day Dim intPvs As Integer Dim dtPvs As Date 'http://excelexperts.com/xla-routines-eePrevBusinessDay for updates on this function intPvs = 1 Do While True dtPvs = DateAdd("d", 0 - intPvs, dt) If EE_IsBusinessDay(rngHolidays, dtPvs) Then EE_PrevBusinessDay = dtPvs Exit Func
XLA routines: EE_NextBusinessDay
Submitted by Nick on 31 January, 2015 - 08:41EE_NextBusinessDay takes a date, and a holiday calendar and returns the next business day.
Function EE_NextBusinessDay(rngHolidays As range, dt As Date) As Date 'Takes a date, a range of holidays, and returns the next business day Dim intNext As Integer Dim dtNext As Date 'http://excelexperts.com/xla-routines-eeNextBusinessDay for updates on this function intNext = 1 Do While True dtNext = DateAdd("d", intNext, dt) If EE_IsBusinessDay(rngHolidays, dtNext) Then EE_NextBusinessDay = dtNext Exit Function
XLA routines: EE_IsBusinessDay
Submitted by Nick on 31 January, 2015 - 08:40EE_IsBusinessDay is a very useful financial function that returns whether a date is a business day.
XLA Routines: EE_IsWeekend
Submitted by Nick on 31 January, 2015 - 08:39EE_IsWeekend is a function that takes a date, and returns whether it is a weekend.
Function EE_IsWeekend(dt As Date) As Boolean 'Takes a date, returns if it's a weekend 'http://excelexperts.com/xla-routines-eeIsWeekend for updates on this function Select Case Format(dt, "w") Case vbSaturday, vbSunday EE_IsWeekend = True Case Else EE_IsWeekend = False End Select End Function
XLA routines: EE_IsWeekday
Submitted by Nick on 31 January, 2015 - 08:39EE_IsWeekday is a function that takes a date, and returns whether it is a weekday.
Function EE_IsWeekday(dt As Date) As Boolean 'Takes a date, returns if it's a weekday 'http://excelexperts.com/xla-routines-eeIsWeekday for updates on this function Select Case Format(dt, "w") Case vbSaturday, vbSunday EE_IsWeekday = False Case Else EE_IsWeekday = True End Select End Function
XLA routines: EE_SendReport
Submitted by Nick on 31 January, 2015 - 08:38EE_SendReport is a hugely useful routine that sends a range as an email
- can also add attachments like zipped up files
- requires ms outlook
Sub EE_SendReport(rptRange As range, recipients As range, Files As range, Optional SendOrDisplay As Boolean, Optional ZipFileName As String) 'RptRange is a range containing text we want to be contained in the body 'Recipients is range containing email addresses Files is range containing 'list of files that we will zip up and add to mail SendOrDisplay - If= Send, mail is sent..
XLA routines: EE_ZipFile
Submitted by Nick on 31 January, 2015 - 08:37EE_ZipFile is a routine that zips a file.
XLA routines: EE_SheetExists
Submitted by Nick on 31 January, 2015 - 08:36EE_SheetExists is a simple function that returns whether a sheet exists
Function EE_SheetExists(strSheetName As String, Optional wb As Workbook) As Boolean Dim wbk As Workbook 'http://excelexperts.com/xla-routines-eeSheetExists for updates on this function If IsMissing(wb) Or wb Is Nothing Then Set wbk = ActiveWorkbook Else Set wbk = wb End If On Error Resume Next EE_SheetExists = Not (wbk.Worksheets(strSheetName) Is Nothing) Err.Clear: On Error GoTo 0: On Error GoTo -1 End Function
XLA routines: EE_GetTempPath
Submitted by Nick on 31 January, 2015 - 08:36EE_GetTempPath is a utility function that returns the temp path.
Function EE_GetTempPath() As String 'http://excelexperts.com/xla-routines-eeGetTempPath for updates on this function EE_GetTempPath = Environ("Temp") End Function
XLA routines: EE_OpenFileFromCell
Submitted by Nick on 31 January, 2015 - 08:35EE_OpenFileFromCell is a routine that one would use to add to a button
- select a cell containing a file name, and press the button to open the file in the Excel session
- useful for debugging input files
- works with a file name or full path
Sub EE_OpenFileFromCell(rngFileCell As range) Dim rngCell As range 'http://excelexperts.com/xla-routines-eeOpenFileFromCell for updates on this sub routine For Each rngCell In rngFileCell On Error Resume Next If InStr(rngCell.value, Application.PathSeparator) > 0 Then Application.Workbooks.
XLA routines: EE_CombineSheets
Submitted by Nick on 31 January, 2015 - 08:34EE_CombineSheets is a routine that combines the sheets on a workbook
- works if the headers are the same
Sub EE_CombineSheets(wbkFrom As Workbook, rngTarget As range, Optional arrSheetNames As Variant) Dim intSheets As Integer Dim rngCopy As range Dim rngPaste As range Dim wks As Worksheet Dim wksNew As Worksheet Dim x As Integer 'http://excelexperts.com/xla-routines-eeCombineSheets for updates on this sub routine If IsArray(arrSheetNames) = False Then ReDim arrSheetNames(1
XLA Routines: EE_ImportFromFile
Submitted by Nick on 31 January, 2015 - 08:34EE_ImportFromFile is a routine that imports a sheet on a file and puts the results on the target range (the top left cell)
Sub EE_ImportFromFile(wbkFullPath As String, strSheet As String, rngTarget As range) Dim wbkSrc As Workbook Dim wksSrc As Worksheet 'http://excelexperts.com/xla-routines-eeImportFromFile for updates on this function If EE_FileExists(wbkFullPath) = False Then Exit Sub Set wbkSrc = Workbooks.Open(wbkFullPath) Set wksSrc = wbkSrc.Worksheets(strSheet) wksSrc.UsedRange.Copy rngTarget.PasteSpecial xlPast
XLA routines: EE_FileFolderExists
Submitted by Nick on 31 January, 2015 - 08:33Function to return whether a folder exists
Public Function EE_FileFolderExists(strFullPath As String) As Boolean 'http://excelexperts.com/xla-routines-eeFileFolderExists for updates on this function On Error GoTo EarlyExit If Not Dir(strFullPath, vbDirectory) = vbNullString Then EE_FileFolderExists = True Err.Clear: On Error GoTo 0: On Error GoTo -1 EarlyExit: On Error GoTo 0 End Function
XLA routines: EE_FileExists
Submitted by Nick on 31 January, 2015 - 08:32Function to return whether a file exists
Function EE_FileExists(strFile As String) As Boolean 'http://excelexperts.com/xla-routines-eeFileExists for updates on this function EE_FileExists = CreateObject("Scripting.FileSystemObject").FileExists(strFile) End Function
XLA routines: EE_CurrentRegionFromCell
Submitted by Nick on 31 January, 2015 - 08:31EE_CurrentRegionFromCell returns the area contiguous to the input cell.
Function EE_CurrentRegionFromCell(rng As range) As range 'http://excelexperts.com/xla-routines-eeCurrentRegionFromCell for updates on this function Set EE_CurrentRegionFromCell = rng.currentregion End Function
XLA routines: EE_RemoveDupes
Submitted by Nick on 31 January, 2015 - 08:31Removing duplicates from a range is something you frequently want to do.
XLA routines: EE_SortArray
Submitted by Nick on 31 January, 2015 - 08:30EE_SortArray does what it says on the tin: Sorts an array
Function EE_SortArray(ArrayToSort, Optional descending As Boolean) '- takes array '- sorts it Dim value As Variant, temp As Variant Dim sp As Integer Dim leftStk(32) As Long, rightStk(32) As Long Dim leftNdx As Long, rightNdx As Long Dim i As Long, j As Long Dim numEls 'http://excelexperts.com/xla-routines-eeSortArray for updates on this function ' account for optional arguments numEls = UBound(ArrayToSort) ' init pointers leftNdx = LBound(ArrayToSort) rightNdx =
XLA routines: EE_WriteToTextFile
Submitted by Nick on 31 January, 2015 - 08:29Similar to logging errors, this simple sub routine writes to a text file
Sub EE_WriteToTextFile(strMsg As String, FilePath As String) ' Writing a text file using File System Object in VBA ' This code requires a reference (In the VBE Tools > References) to Microsoft Scripting Runtime Dim fso As Object Dim FSOFile As Object Dim NoOfLoop As Integer 'http://excelexperts.com/xla-routines-eeWriteToTextFile for updates on this sub routine Set fso = CreateObject("Scripting.FileSystemObject") If fso.FileExists(FilePath) = True The
XLA routines: EE_LogError
Submitted by Nick on 31 January, 2015 - 08:28EE_LogError - logs to temp file if no file specified... logs information.
XLA routines: EE_GetComputername
Submitted by Nick on 31 January, 2015 - 08:27EE_GetComputername is a handy function that returns the Computer name
- useful if you only want code to run on specific computers
Function EE_GetComputername() 'http://excelexperts.com/xla-routines-eeGetComputername for updates on this function EE_GetComputername = Environ("computername") End Function
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