use OLE;
use Win32::OLE::Const "Microsoft Excel";
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#___ DEFINE EXCEL
$excel = CreateObject OLE "Excel.Application";
#___ MAKE EXCEL VISIBLE
$excel -> {Visible} = 1;
#___ ADD NEW WORKBOOK
$workbook = $excel -> Workbooks -> Add;
$sheet = $workbook -> Worksheets("Sheet1");
$sheet -> Activate;
#___ OPEN EXISTING WORKBOOK
$workbook = $excel -> Workbooks -> Open("$file_name");
$sheet = $workbook -> Worksheets(1) -> {Name};
$sheet = $workbook -> Worksheets($sheet);
$sheet -> Activate;
#___ ACTIVATE EXISTING WORKBOOK
$excel -> Windows("Book1") -> Activate;
$workbook = $excel -> Activewindow;
$sheet = $workbook -> Activesheet;
#___ CLOSE WORKBOOK
$workbook -> Close;
#___ ADD NEW WORKSHEET
$workbook -> Worksheets -> Add({After => $workbook -> Worksheets($workbook -> Worksheets -> {Count})});
#___ CHANGE WORKSHEET NAME
$sheet -> {Name} = "Name of Worksheet";
#___ PRINT VALUE TO CELL
$sheet -> Range("A1") -> {Value} = 1234;
#___ SUM FORMULAS
$sheet -> Range("A3") -> {FormulaR1C1} = "=SUM(R[-2]C:R[-1]C)"; # Sum rows
$sheet -> Range("C1") -> {FormulaR1C1} = "=SUM(RC[-2]:RC[-1])"; # Sum columns
#___ RETRIEVE VALUE FROM CELL
$data = $sheet -> Range("G7") -> {Value};
#___ FORMAT TEXT
$sheet -> Range("G7:H7") -> Font -> {Bold} = "True";
$sheet -> Range("G7:H7") -> Font -> {Italic} = "True";
$sheet -> Range("G7:H7") -> Font -> {Underline} = xlUnderlineStyleSingle;
$sheet -> Range("G7:H7") -> Font -> {Size} = 8;
$sheet -> Range("G7:H7") -> Font -> {Name} = "Arial";
$sheet -> Range("G7:H7") -> Font -> {ColorIndex} = 4;
$sheet -> Range("G7:H7") -> {NumberFormat} = "\@"; # Text
$sheet -> Range("A1:H7") -> {NumberFormat} = "\$#,##0.00"; # Currency
$sheet -> Range("G7:H7") -> {NumberFormat} = "\$#,##0.00_);[Red](\$#,##0.00)"; # Currency - red negatives
$sheet -> Range("G7:H7") -> {NumberFormat} = "0.00_);[Red](0.00)"; # Numbers with decimals
$sheet -> Range("G7:H7") -> {NumberFormat} = "#,##0"; # Numbers with commas
$sheet -> Range("G7:H7") -> {NumberFormat} = "#,##0_);[Red](#,##0)"; # Numbers with commas - red negatives
$sheet -> Range("G7:H7") -> {NumberFormat} = "0.00%"; # Percents
$sheet -> Range("G7:H7") -> {NumberFormat} = "m/d/yyyy" # Dates
#___ ALIGN TEXT
$sheet -> Range("G7:H7") -> {HorizontalAlignment} = xlHAlignCenter; # Center text;
$sheet -> Range("A1:A2") -> {Orientation} = 90; # Rotate text
#___ SET COLUMN WIDTH/ROW HEIGHT
$sheet -> Range('A:A') -> {ColumnWidth} = 9.14;
$sheet -> Range("8:8") -> {RowHeight} = 30;
$sheet -> Range("G:H") -> {Columns} -> Autofit;
#___ FIND LAST ROW/COLUMN WITH DATA
$last_row = $sheet -> UsedRange -> Find({What => "*", SearchDirection => xlPrevious, SearchOrder => xlByRows}) -> {Row};
$last_col = $sheet -> UsedRange -> Find({What => "*", SearchDirection => xlPrevious, SearchOrder => xlByColumns}) -> {Column};
#___ ADD BORDERS
$sheet -> Range("A3:I3") -> Borders(xlEdgeBottom) -> {LineStyle} = xlDouble;
$sheet -> Range("A3:I3") -> Borders(xlEdgeBottom) -> {Weight} = xlThick;
$sheet -> Range("A3:I3") -> Borders(xlEdgeBottom) -> {ColorIndex} = 1;
$sheet -> Range("A3:I3") -> Borders(xlEdgeLeft) -> {LineStyle} = xlContinuous;
$sheet -> Range("A3:I3") -> Borders(xlEdgeLeft) -> {Weight} = xlThin;
$sheet -> Range("A3:I3") -> Borders(xlEdgeTop) -> {LineStyle} = xlContinuous;
$sheet -> Range("A3:I3") -> Borders(xlEdgeTop) -> {Weight} = xlThin;
$sheet -> Range("A3:I3") -> Borders(xlEdgeBottom) -> {LineStyle} = xlContinuous;
$sheet -> Range("A3:I3") -> Borders(xlEdgeBottom) -> {Weight} = xlThin;
$sheet -> Range("A3:I3") -> Borders(xlEdgeRight) -> {LineStyle} = xlContinuous;
$sheet -> Range("A3:I3") -> Borders(xlEdgeRight) -> {Weight} = xlThin;
$sheet -> Range("A3:I3") -> Borders(xlInsideVertical) -> {LineStyle} = xlContinuous;
$sheet -> Range("A3:I3") -> Borders(xlInsideVertical) -> {Weight} = xlThin;
$sheet -> Range("A3:I3") -> Borders(xlInsideHorizontal) -> {LineStyle} = xlContinuous;
$sheet -> Range("A3:I3") -> Borders(xlInsideHorizontal) -> {Weight} = xlThin;
#___ PRINT SETUP
$sheet -> PageSetup -> {Orientation} = xlLandscape;
$sheet -> PageSetup -> {Order} = xlOverThenDown;
$sheet -> PageSetup -> {LeftMargin} = .25;
$sheet -> PageSetup -> {RightMargin} = .25;
$sheet -> PageSetup -> {BottomMargin} = .5;
$sheet -> PageSetup -> {CenterFooter} = "Page &P of &N";
$sheet -> PageSetup -> {RightFooter} = "Page &P of &N";
$sheet -> PageSetup -> {LeftFooter} = "Left\nFooter";
$sheet -> PageSetup -> {Zoom} = 75;
$sheet -> PageSetup -> FitToPagesWide = 1;
$sheet -> PageSetup -> FitToPagesTall = 1;
#___ ADD PAGE BREAK
$excel -> ActiveWindow -> SelectedSheets -> HPageBreaks -> Add({Before => $sheet -> Range("3:3")});
#___ HIDE COLUMNS
$sheet -> Range("G:H") -> EntireColumn -> {Hidden} = "True";
#___ MERGE CELLS
$sheet -> Range("H10:J10") -> Merge;
#___ INSERT PICTURE
$sheet -> Pictures -> Insert("picture_name"); # Insert in upper-left corner
$excel -> ActiveSheet -> Pictures -> Insert("picture_name"); # Insert in active cell
#___ GROUP ROWS
$sheet -> Range("7:8") -> Group;
#___ ACTIVATE CELL
$sheet -> Range("A2") -> Activate;
#___ FREEZE PANES
$excel -> ActiveWindow -> {FreezePanes} = "True";
#___ DELETE SHEET
$sheet -> Delete;
#___ SAVE AND QUIT
$excel -> {DisplayAlerts} = 0; # This turns off the "This file already exists" message.
$workbook -> SaveAs ("C:\\file_name.xls");
$excel -> Quit;
source : http://www.tek-tips.com/faqs.cfm?fid=6715
