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Full Discussion: Perl script to merge cells in column1 which has same strings, for all sheets in a excel workbook
Top Forums Programming Perl script to merge cells in column1 which has same strings, for all sheets in a excel workbook Post 302952720 by derekludwig on Friday 21st of August 2015 07:57:16 AM
Old 08-21-2015
Something like:
Code:
#! /usr/bin/perl

use strict;
use warnings;
use Spreadsheet::WriteExcel;

my $file = shift @ARGV;
my $workbook = Spreadsheet::WriteExcel->new($file) or die "can't create worksheet: $!";

my $dest = shift @ARGV;
chdir $dest or die "no such directory: $!";
opendir my $dh, '.' or die "can't open directory: $!";
my @files = sort grep { m{^[^.]} } readdir($dh);
close $dh; 

foreach my $file (@files) {
    open my $in, '<', $file or die "Could not open file: $!";

    $file =~ s{\..*$}{};
    my $worksheet   = $workbook->add_worksheet($file);

    my @prevRow = ();
    my $row = 0;

    while(<$in>) {
        my @currRow  = split(',', $_);
        my $col = 0;

        while ($col < @currRow) {
            last if @prevRow < $col || $currRow[$col] ne $prevRow[$col];
            $worksheet->write($row, $col, '');
            $col++;
        }

        while ($col < @currRow) {
            $worksheet->write($row, $col, $currRow[$col]);
            $col++;
        }

        @prevRow = @currRow;
        $row++;
    }
}

Invoked with:
Code:
scriptname workbookfile sourcedir...

Some notes:
  • if ( -d $dest ) { was not needed, the previous chdir would have failed if $dest was not a directory.
  • chomp $file is not needed, a trailing newline is an acceptable (if not appreciated) character in a directory entry
  • Be reluctant to use system calls in a perlscript. In this case, my $sheetname = `basename $file | cut -d. -f1`; was replaced by $file =~ s{\..*$}{}; as $file is already a "basename" and you were just trimming off everything after the first ".".
 

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LEARN ABOUT DEBIAN

flow-merge

flow-merge(1)						      General Commands Manual						     flow-merge(1)

NAME

       flow-merge -- Merge flow files.

SYNOPSIS

       flow-merge [-aghm]  [-b big|little]  [-C comment]  [-d debug_level]  [-o filename]  [-z z_level]  [file|directory ...]

DESCRIPTION

       The  flow-merge	utility processes files and/or directories of files in the flow-tools format.  The resulting merged data set is written to
       the standard output or file specified by -o.  If file is a single dash (`-') or absent, flow-merge  will  read  from  the  standard  input.
       Unlike flow-cat, flow-merge interleaves flow records preserving the relative chronological order.

OPTIONS

       -a	 Do not ignore filenames that begin with tmp.

       -b big|little
		 Byte order of output.

       -C Comment
		 Add a comment.

       -d debug_level
		 Enable debugging.

       -g	 Sort file list by capture start time before processing.

       -h	 Display help.

       -m	 Disable the use of mmap().

       -p	 Preload headers.  Use to preserve meta information such as lost flows.

       -o file	 Write to file instead of the standard out.

       -z z_level
		 Configure compression level to  z_level.  0 is disabled (no compression), 9 is highest compression.

       file|directory...
		 Process the files and/or directory.

EXAMPLES

       Merge all flow files begining with ft-v05.2001-05.01, use flow-print to display the results.

	   flow-merge ft-v05.2001-05-01.* | flow-print

BUGS

       None known.

AUTHOR

       Larry Lidz ellidz@eridu.uchicago.edu

SEE ALSO

       flow-tools(1)

																     flow-merge(1)
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