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2011-07-10

How-to clear the screen in cygwin on windows

Do not bother with the default cmd.exe terminal started by default when you start bash ...
Use puttycfg
  1. download the puttycfg , unzip to C:\temp\something
  2. Find out where cygwin1.dll is installed cygcheck -sd >list.txt
  3. Open the list.txt ( it is quite big ) : notepad list.txt 
  4. Copy all the files from   C:\temp\something  to the dir where the cygwin1.dll is located 
  5. Start the putty.exe 
  6. In the GUI , check that Session on the Left is selected , click on Cygterm option , for hostName type - , leave port number 22
  7. Click on open 
  8. Run the clear command ... Now you have much better terminal ...  

how-to parse excel file with perl with Spreadsheet::ParseExcel module



package Excel2003Handler ; 
my $VERSION='0.0.3' ; 
require Exporter;
 
use strict ; use warnings  ; use Carp qw(cluck);
use lib '.' ; use Spreadsheet::ParseExcel;
 
 
BEGIN {     
 
$0 =~ m/^(.*)(\\|\/)(.*)\.([a-z]*)/; 
push ( @INC , $1) ; 
}
 
use Logger ; use FileHandler ; 
 
my @ISA = qw(AutoLoader Exporter);
my @EXPORT = qw(DumpExcel ParseExcel GetValue);
 
 
our ( $confHolder , $FileInputExcel , $objLogger , $objFileHandler ) = () ; 
our ( $DelimiterCsv , $MsgAction ) = () ;  
 
 
 
sub Initialize {
my $self = shift ; 
my $FlagSuccess = 0 ; 
$objLogger = new Logger (\$confHolder) ; 
$objFileHandler = new FileHandler ( \$confHolder ) ; 
$FileInputExcel = $confHolder->{'FileExcelInput'} ; 
 
unless( -f $FileInputExcel ) { 
$MsgAction = "Cannot find the Excel file $FileInputExcel , exiting !!! \n" ;                 
return 1 ; 
}
 
$DelimiterCsv ="\t" ; 
$FlagSuccess = 1 ; 
return $FlagSuccess; 
 
} #eof sub Initialize
 
 
 
# =============================================================================
# START OO
 
 
 
 
#source:http://www.netalive.org/tinkering/serious-perl/#oop_constructors
sub new {
my $class = shift ;        # Class name is in the first parameter
$confHolder = ${ shift @_ } if ( @_ )  ; 
my $self = { };  # Anonymous hash reference holds instance attributes
bless($self, $class);          # Say: $self is a $class
$self->Initialize() ;    
return $self;
} #eof const 
 
 
sub AUTOLOAD {
 
my $self = shift ; 
no strict 'refs'; 
my $name = our $AUTOLOAD;
*$AUTOLOAD = sub { 
my $msg = "BOOM! BOOM! BOOM! \n RunTime Error !!!\nUndefined Function $name(@_)\n" ;
print "$self , $msg";
};
goto &$AUTOLOAD;    # Restart the new routine.
}    
 
 
sub get    {
my $self = shift;
my $name = shift;
return $self->{$name};
} #eof sub get 
 
 
sub set    {
my $self = shift;
my $name = shift;
my $value = shift;
$self->{$name}=$value;
} #eof sub set 
 
 
sub DESTROY {
 
my $self = shift;
#debug print "the DESTRUCTOR is called  \n" ; 
return ; 
} 
 
 
# STOP OO
# =============================================================================
 
sub ExcelToCsv { 
 
my $self = shift ; 
 
$FileInputExcel =~ m/^(.*)(\\|\/)(.*)\.([a-z]*)/; 
my $DirOutput = $1 ; 
 
#Delete first the old csv files 
my ($RefFilesAndDirs , $RefDirsToProcess , $RefFilesToProcess ) = 
$objFileHandler->ReadDirRecursivelyReturnArrays ( $DirOutput , '.csv') ; 
my @FilesToProcess = @$RefFilesToProcess ; 
 
foreach my $FileToProcess ( @FilesToProcess ) { 
unlink ( $FileToProcess ) ; 
}
 
 
my ( $RefWorkSheets , $RefWorkSheetNames ) = $self->ParseExcel () ; 
 
my @WorkSheetNames = @$RefWorkSheetNames ; 
my @RefWorkSheets = @$RefWorkSheets ; 
 
foreach my $WorkSheetRef ( @RefWorkSheets ) { 
my @Rows = @$WorkSheetRef ; 
my $StrToPrint = () ; 
my $WorkSheetName = shift ( @WorkSheetNames ) ; 
my $FileCsvToPrint = "$DirOutput/$WorkSheetName" . '.csv' ; 
 
foreach my $RowRef ( @Rows ) {
my @Cols = @$RowRef ; 
# from the first till the last number of the array 
for ( 0 .. $#Cols )    {
my $token = "$Cols[$_]" ; 
$StrToPrint .= "$DelimiterCsv" . "$token" if $_ ; 
$StrToPrint .= "$token" unless $_ ;     #the elemen
} #eof for
$StrToPrint .= "\n" ; 
} #eof foreach my $RowRef 
$objFileHandler->PrintToFile($FileCsvToPrint , $StrToPrint ) 
if ( defined ( $StrToPrint));
} #eof foreach foreach my $WorkSheetRef
 
 
} #eof sub 
 
 
# --- foreach worksheet create worksheet refs into array 
# --- foreach row in worksheet create refs into array 
# --- foreach column in row create refs into array 
# --- add col refs , to row refs array , to worksheets refs array
# --- return the whole thingy
sub ParseExcel {
 
my $self = shift ; 
 
#old my $strTemplate = shift ; 
#old my $FileToPrintTemplated = shift ; 
 
my $FileInputExcel = $confHolder->{'FileExcelInput'} ; 
 
unless ( defined ( $FileInputExcel) or  -f $FileInputExcel ) { 
$objLogger->LogInfoErrorMsg ( " Cannot parse Excel 2003 - No file to read !!! " ) ; 
$objLogger->LogInfoErrorMsg ( " EXIT 1" ) ; 
exit(1) ; 
}
 
my $parser   = Spreadsheet::ParseExcel->new();
my $Workbook = $parser->Parse("$FileInputExcel");
 
 
if ( !defined $Workbook ) {
print STDERR "cannot parse \$FileInputExcel $FileInputExcel $! $parser->error()" ; 
die $parser->error(), ".\n";
}
 
 
my @RefWorkSheets = () ; 
my @WorkSheetNames = () ; 
 
foreach my $worksheet (@{$Workbook->{Worksheet}}) {
my $WorkSheetRef = () ; 
my $WorkSheetName = $worksheet->{'Name'} ; 
push ( @WorkSheetNames , $WorkSheetName ) ; 
my ( $ColMin , $ColMax , $RowMin , $RowMax ) ; 
$ColMin = $worksheet->{MinCol} ; 
$ColMax = $worksheet->{MaxCol} ; 
 
$RowMin = $worksheet->{MinRow} ; 
$RowMax= $worksheet->{MaxRow} ; 
#the first row are the column headers 
my $MinRowWithData= $RowMin +1 ;
 
$objLogger->LogDebugMsg ( "\$ColMin is $ColMin") ; 
$objLogger->LogDebugMsg ( "\$ColMax is $ColMax") ; 
$objLogger->LogDebugMsg ( "\$RowMin is $RowMin") ; 
$objLogger->LogDebugMsg ( "\$RowMax is $RowMax") ; 
 
my @RowRefs = () ; 
 
for my $row ( $MinRowWithData .. $RowMax) {
my $RowRef = () ;                 
my @Row = () ; 
for my $col ( $ColMin .. $ColMax ) {
# get the cell obj not it's value
my $cell = $worksheet->{Cells}[$row][$col]  ; 
#deprec next unless $cell;
 
$objLogger->LogDebugMsg ( " Row, Col    = ($row, $col)");
 
# if the cell as a value it is defined 
if ( $cell ) {
$cell->Value() ;
push ( @Row , $cell->Value () ) ; 
#debug $objLogger->LogDebugMsg ( " Value = $cell->Value() ");                #The Value
}
else {
push ( @Row , undef ) ; 
}
} #eof for col 
 
push ( @RowRefs , \@Row ) ; 
} #eof row
 
push ( @RefWorkSheets , \@RowRefs ) ; 
} #eof worksheet
return ( \@RefWorkSheets , \@WorkSheetNames ) ; 
} #eof sub
 
 
sub GetValue {
 
my $self = shift ; 
my $RefWorkSheets = shift ; 
my @RefWorkSheets = @$RefWorkSheets ; 
 
my $WorkSheetNumber = shift ; 
my $RowNumber = shift ; 
my $ColNumber = shift ; 
 
 
my $RefRows = $RefWorkSheets [$WorkSheetNumber ] ;
return undef unless ( $RefRows ) ; 
 
my @Rows = @$RefRows ; 
my $RefCols = $Rows[ $RowNumber ] ; 
 
return undef unless ( $RefCols ) ; 
 
my @Cols = @$RefCols ; 
my $ValueToReturn = $Cols [$ColNumber ] ; 
 
 
} #eof sub GetValue 
 
 
sub DumpExcel { 
 
my $self = shift ; 
 
my $RefWorkSheets = $self->ParseExcel () ; 
my @RefWorkSheets = @$RefWorkSheets ; 
 
foreach my $WorkSheetRef ( @RefWorkSheets ) { 
my @Rows = @$WorkSheetRef ; 
foreach my $RowRef ( @Rows ) {
my @Cols = @$RowRef ; 
foreach my $Col ( @Cols) {
$objLogger->LogDebugMsg ( "\$Col is $Col " ); 
}
} #eof foreach my $RowRef 
 
} #eof foreach foreach my $WorkSheetRef
 
 
} #eof sub DumpExcel 
 
 
 
 
1;
 
__END__
 
 
=head1 NAME
 
Excel2003Handler
 
=head1 SYNOPSIS
 
use Excel2003Handler  ; 
 
=head1 DESCRIPTION
 
Provide a simple interface for handling Excel 2003 and print to csv files, a wrapper build around the Spreadsheet::ParseExcel module. This module has external dependancies on the modules of the morphus tool - google code morhpus
 
=head2 EXPORT
 
 
=head1 SEE ALSO
 
perldoc perlvars
 
. No mailing list for this module
 
 
=head1 AUTHOR
 
FirstName.LastName@gmail.com
 
=head1 COPYRIGHT AND LICENSE
 
Copyright (C) 2011 Yordan Georgiev
 
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.1 or,
at your option, any later version of Perl 5 you may have available.
 
 
 
VersionHistory: 
0.0.3 --- ysg --- Fixing bug with first char being a \t
0.0.2 --- ysg --- Refactoring. Tested. Works. Added documentation
0.0.1 --- ysg --- Initial version -  OO methods + Initialize , ParseExcel , GetValue , DumpExcel
 
=cut
 

Just how good the 3D printing can get ?

The sky is the limit ...


2011-07-08

how-to convert my dos files into unix files with cygwin windows

for file in `ls -1` ; do perl -pi -e 's/\r\n/\n/g' $file;done;

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