require 'win32ole'

word = WIN32OLE.new('Word.Application')
#word.Visible = true # uncomment if you want to see it happen
doc = word.Documents.Open('c:\file_to_open.doc')
{
  'name' => 'Tim Morgan',
  'date' => Date.today.strftime('%B %d, %Y'),
  ...
}.each do |key, value|
  word.Selection.HomeKey(unit=6) # start at beginning
  find = word.Selection.Find
  find.Text = "[#{key}]" # text must be in square brackets
  while word.Selection.Find.Execute
    word.Selection.TypeText(text=value)
  end
end
doc.SaveAs('c:\output_file.doc')
doc.Close

from win32com.client import constants, Dispatch

import pythoncom

wdStory = 6

class WordDocument(object):
  """
  Some convenience methods for Word documents accessed
  through COM.
  """
  
  def __init__(self, visible=False):
    self.app = Dispatch("Word.Application")
    self.app.Visible = visible
  
  def new(self, filename=None):
    """
    Create a new Word document. If 'filename' specified,
    use the file as a template.
    """
    self.app.Documents.Add(filename)
  
  def open(self, filename):
    """
    Open an existing Word document for editing.
    """
    self.app.Documents.Open(filename)
  
  def save(self, filename=None):
    """
    Save the active document. If 'filename' is given,
    do a Save As.
    """
    if filename:
      self.app.ActiveDocument.SaveAs(filename)
    else:
      self.app.ActiveDocument.Save()
  
  def save_as(self, filename):
    return self.save(filename)
  
  def print_out(self):
    """
    Print the active document.
    """
    self.app.Application.PrintOut()
  
  def close(self):
    """
    Close the active document.
    """
    self.app.ActiveDocument.Close()
  
  def quit(self):
    """
    Quit Word.
    """
    return self.app.Quit()
  
  def find_and_replace(self, find_str, replace_str):
    """
    Find all occurances of 'find_str' and replace with 'replace_str'
    in the active document.
    """
    self.app.Selection.HomeKey(Unit=wdStory)
    find = self.app.Selection.Find
    find.Text = find_str
    while self.app.Selection.Find.Execute():
      self.app.Selection.TypeText(Text=replace_str)

from win32com.client import constants, Dispatch
import pythoncom
import os

borderTop = 3
borderBottom = 4
borderLeft = 1
borderRight = 2
borderSolid = 1
borderDashed = 2
borderDotted = 3
colorBlack = 1
directionUp = -4162
directionDown = -4121
directionLeft = -4131
directionRight = -4152

class ExcelDocument(object):
  """
  Some convenience methods for Excel documents accessed
  through COM.
  """
  
  def __init__(self, visible=False):
    self.app = Dispatch("Excel.Application")
    self.app.Visible = visible
    self.sheet = 1
  
  def new(self, filename=None):
    """
    Create a new Excel workbook. If 'filename' specified,
    use the file as a template.
    """
    self.app.Workbooks.Add(filename)
  
  def open(self, filename):
    """
    Open an existing Excel workbook for editing.
    """
    self.app.Workbooks.Open(filename)
  
  def set_sheet(self, sheet):
    """
    Set the active worksheet.
    """
    self.sheet = sheet
  
  def get_range(self, range):
    """
    Get a range object for the specified range or single cell.
    """
    return self.app.ActiveWorkbook.Sheets(self.sheet).Range(range)
  
  def set_value(self, cell, value=''):
    """
    Set the value of 'cell' to 'value'.
    """
    self.get_range(cell).Value = value
  
  def get_value(self, cell):
    """
    Get the value of 'cell'.
    """
    value = self.get_range(cell).Value
    if isinstance(value, tuple):
      value = [v[0] for v in value]
    return value
  
  def set_border(self, range, side, line_style=borderSolid, color=colorBlack):
    """
    Set a border on the specified range of cells or single cell.
    'range' = range of cells or single cell
    'side' = one of borderTop, borderBottom, borderLeft, borderRight
    'line_style' = one of borderSolid, borderDashed, borderDotted, others?
    'color' = one of colorBlack, others?
    """
    range = self.get_range(range).Borders(side)
    range.LineStyle = line_style
    range.Color = color
  
  def sort(self, range, key_cell):
    """
    Sort the specified 'range' of the activeworksheet by the
    specified 'key_cell'.
    """
    range.Sort(Key1=self.get_range(key_cell), Order1=1, Header=0, OrderCustom=1, MatchCase=False, Orientation=1)
  
  def hide_row(self, row, hide=True):
    """
    Hide the specified 'row'.
    Specify hide=False to show the row.
    """
    self.get_range('a%s' % row).EntireRow.Hidden = hide
  
  def hide_column(self, column, hide=True):
    """
    Hide the specified 'column'.
    Specify hide=False to show the column.
    """
    self.get_range('%s1' % column).EntireColumn.Hidden = hide
  
  def delete_row(self, row, shift=directionUp):
    """
    Delete the entire 'row'.
    """
    self.get_range('a%s' % row).EntireRow.Delete(Shift=shift)
  
  def delete_column(self, column, shift=directionLeft):
    """
    Delete the entire 'column'.
    """
    self.get_range('%s1' % column).EntireColumn.Delete(Shift=shift)
    
  def fit_column(self, column):
    """
    Resize the specified 'column' to fit all its contents.
    """
    self.get_range('%s1' % column).EntireColumn.AutoFit()
  
  def save(self):
    """
    Save the active workbook.
    """
    self.app.ActiveWorkbook.Save()
  
  def save_as(self, filename, delete_existing=False):
    """
    Save the active workbook as a different filename.
    If 'delete_existing' is specified and the file already
    exists, it will be deleted before saving.
    """
    if delete_existing and os.path.exists(filename):
      os.remove(filename)
    self.app.ActiveWorkbook.SaveAs(filename)
  
  def print_out(self):
    """
    Print the active workbook.
    """
    self.app.Application.PrintOut()
  
  def close(self):
    """
    Close the active workbook.
    """
    self.app.ActiveWorkbook.Close()
  
  def quit(self):
    """
    Quit Excel.
    """
    return self.app.Quit()