Shell Programming and Scripting

sudo yum install catdoc
xls2csv myExcelSpreadsheet.xls > converted.csv

#!/usr/bin/perl

use strict;
use Spreadsheet::ParseExcel;

my $sourcename = shift @ARGV or die "invocation: $0 <source file>\n";
my $source_excel = new Spreadsheet::ParseExcel;
my $source_book = $source_excel->Parse($sourcename) or die "Could not open source Excel file $sourcename: $!";
my $storage_book;

foreach my $source_sheet_number (0 .. $source_book->{SheetCount}-1)
{
 my $source_sheet = $source_book->{Worksheet}[$source_sheet_number];

 print "--------- SHEET:", $source_sheet->{Name}, "\n";

 next unless defined $source_sheet->{MaxRow};
 next unless $source_sheet->{MinRow} <= $source_sheet->{MaxRow};
 next unless defined $source_sheet->{MaxCol};
 next unless $source_sheet->{MinCol} <= $source_sheet->{MaxCol};

 foreach my $row_index ($source_sheet->{MinRow} .. $source_sheet->{MaxRow})
 {
  foreach my $col_index ($source_sheet->{MinCol} .. $source_sheet->{MaxCol})
  {
   my $source_cell = $source_sheet->{Cells}[$row_index][$col_index];
   if ($source_cell)
   {
    #print "( $row_index , $col_index ) =>", $source_cell->Value, "\t";
    print  $source_cell->Value, "\t";
   }
  } 
  print "\n";
 } 
}
print "done!\n";