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Full Discussion: Perl Script to check file date and size
Top Forums Shell Programming and Scripting Perl Script to check file date and size Post 302411463 by jim mcnamara on Thursday 8th of April 2010 01:54:19 PM
Old 04-08-2010
another approach - here is a bare bones perl example using stat, time functions and directory functions.

Unless you are doing this to learn perl, I would suggest a two line shell script using the unix find command, maybe like this:
Code:
#!/bin/ksh
# $1 == /path/to/files
 touch -t $(date +'%y%m%m0000') ./dummy
 find $1 -newer ./dummy -size +0 -name '*.txt'  > /dev/null
 exit $?

perl:
Code:
#!/usr/bin/perl -w 
sub checkfile{

      $today = time;
      $today -= $today % 86400;  # midnight in epoch seconds
      $return_value = 0;
                                    #  mtime in epoch seconds
      $mtime = (stat("$_[0]"))[9] || die "cannot stat file $!";  
      $size =  (stat("$_[0]"))[7];  # size in bytes
      $ok = "not ok";
      
      if( $size > 0 && $mtime >= $today )
      {
            $ok = "ok"; 
            $return_value = 1;           
      }
      print "$_[0] is $ok\n";
      return $return_value;
}

$found = 0;
opendir (DIRHNDL, "$ARGV[0]") ||  die "Cannot open directory $!";
@filelist = readdir (DIRHNDL);
closedir (DIRHNDL);

foreach $filename ( @filelist )
{
   if ($filename =~ /txt$/)
   {
     $found |= checkfile $filename;
   }
}
print "return status = $found\n";

exit 0;

 

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LEARN ABOUT DEBIAN

file::touch

Touch(3pm)						User Contributed Perl Documentation						Touch(3pm)

NAME

       File::Touch - update access and modification timestamps, creating nonexistent files where necessary.

SYNOPSIS

	use File::Touch;
	@file_list = ('one.txt','../two.doc');
	$count = touch(@file_list);

	use File::Touch;
	$reference_file = '/etc/passwd';
	$touch_obj = File::Touch->new(
				      reference => $reference_file,
				      no_create => 1
				      );
	@file_list = ('one.txt','../two.doc');
	$count = $touch_obj->touch(@file_list);

DESCRIPTION

       Here's a list of arguments that can be used with the object-oriented contruction:

       atime_only => [0|1]
	   If nonzero, change only the access time of files. Default is zero.

       mtime_only => [0|1]
	   If nonzero, change only the modification time of files. Default is zero.

       no_create => [0|1]
	   If nonzero, do not create new files. Default is zero.

       reference => $reference_file
	   If defined, use timestamps from this file instead of current time. Default is undefined.

       atime => $time
	   If defined, use this time (in epoch seconds) instead of current time for access time.

       mtime => $time
	   If defined, use this time (in epoch seconds) instead of current time for modification time.

Examples
   Update access and modification times, creating nonexistent files
	use File::Touch;
	my @files = ('one','two','three');
	my $count = touch(@files);
	print "$count files updated
";

   Set access time forward, leave modification time unchanged
	use File::Touch;
	my @files = ('one','two','three');
	my $day = 24*60*60;
	my $time = time() + 30 * $day;
	my $ref = File::Touch->new( atime_only => 1, time => $time );
	my $count = $ref->touch(@files);
	print "$count files updated
";

   Set modification time back, update access time, do not create nonexistent files
	use File::Touch;
	my @files = ('one','two','three');
	my $day = 24*60*60;
	my $time = time() - 30 * $day;
	my $ref = File::Touch->new( mtime => $time, no_create => 1 );
	my $count = $ref->touch(@files);
	print "$count files updated
";

AUTHOR

       Nigel Wetters Gourlay (nwetters@cpan.org)

COPYRIGHT

       Copyright (c) 2001,2007,2009 Nigel Wetters Gourlay. All Rights Reserved.  This module is free software. It may be used, redistributed
       and/or modified under the same terms as Perl itself.

perl v5.10.0							    2009-07-25								Touch(3pm)
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