Hi guys,
firstly I'm working on SunOS 5.10 Generic_125100-10 sun4u sparc SUNW,Sun-Fire-V240
I've made a script to compress two directory and then send them to an other server via ftp. This is working very well.
Inside theis script I decide to log usefull data for troubleshooting in case of... (7 Replies)
I have two file in a Directory.I want a script which will compare the Size of Two file.
Can Anyone Help me on this:
linasplg11:/opt/dataout/kk/linasplg11 # cat size
-rwxrwxrwx 1 root root 16658 Jan 8 13:58 lina_IP_SIP_1231325621210.xml
-rwxr-xr-x 1 root root 16672 Jan 8 14:30... (1 Reply)
hi,
i am new to this site.
i want to write a script to compare the file size of the files in the current dir with the files in the previous directory.
the files name will be same, but the filename format will be as xyzddddyymm.txt. the files will arrive with the month end date(i want to... (5 Replies)
I have used an script to reduce the size of multiples pdf. This script creates files with the same name but with different extension. The extension of the compressed files is xpdf. Sometimes the "compressed" xpdf are bigger than the "uncompressed"pdf. I want to create a zsh script to compare each... (1 Reply)
Hi,
I'm using PSFTP to transfer files from one machine to a virtual machine with UBUNTU OS installed on it.
I'm trying to find a way to make sure the files that I'm uploading / downloading are being uploaded/ downloaded properly.
I want to compare the size of the local file and the remote... (0 Replies)
Hello,
in one default UFS filesystem we have 8K block size (bsize) and 1K fragmentsize (fsize). At this scenary I thought all "FileSytem IO" will be 8K (or greater) but never smaller than the fragment size (1K). If a UFS fragment/blocksize is allwasy several ADJACENTS sectors on disk (in a ... (4 Replies)
I have a tar file with name DTT012_GP_20140207.tar and many more with different names of different sizes ranging from 1GB to 4GB.
Now my requirement is to extract/not extract these files and then divide it into various parts of size 500MB and save it with different names and then compress... (5 Replies)
// Redhat
I have this code working, but need to add one more qualification so that I don't overwrite the files.
#!/bin/sh
cd /P2/log/cerner_prod/millennium/archive/
for f in *
do || continue #If this isn't a regular file, skip it.
&& continue #If a backup already... (2 Replies)
Hello, my first thread here.
I've been searching and fiddling around for about a week and I cannot find a solution.:confused:
I have been converting all of my home videos to HEVC and sometimes the files end up smaller and sometimes they don't. I am currently comparing all the video files... (5 Replies)
Discussion started by: Josh52180
5 Replies
LEARN ABOUT OSX
data::compare::plugins
Data::Compare::Plugins(3) User Contributed Perl Documentation Data::Compare::Plugins(3)NAME
Data::Compare::Plugins - how to extend Data::Compare
DESCRIPTION
Data::Compare natively handles several built-in data types - scalars, references to scalars, references to arrays, references to hashes,
references to subroutines, compiled regular expressions, and globs. For objects, it tries to Do The Right Thing and compares the
underlying data type. However, this is not always what you want. This is especially true if you have complex objects which overload
stringification and/or numification.
Hence we allow for plugins.
FINDING PLUGINS
Data::Compare will try to load any module installed on your system under the various @INC/Data/Compare/Plugins/ directories. If there is a
problem loading any of them, an appropriate warning will be issued.
Because of how we find plugins, no plugins are available when running in "taint" mode.
WRITING PLUGINS
Internally, plugins are "require"d into Data::Compare. This means that they need to evaluate to true. We make use of that true value.
Where normally you just put:
1;
at the end of an included file, you should instead ensure that you return a reference to an array. This is treated as being true so
satisfies perl, and is a damned sight more useful.
Inside that array should be either a description of what this plugin is to do, or references to several arrays containing such
descriptions. A description consists of two or three items. First a string telling us what the first data-type handled by your plugin is.
Second, (and optional, defaulting to the same as the first) the second data-type to compare. To handle comparisons to ordinary scalars,
give the empty string for the data-type, ie:
['MyType', '', sub { ...}]
Third and last, we need a reference to the subroutine which does the comparison. That subroutine should expect to take two parameters,
which will be of the specified type. It should return 1 if they compare the same, or 0 if they compare different.
Be aware that while you might give a description like:
['Type1', 'Type2', sub { ... }]
this will handle both comparing Type1 to Type2, and comparing Type2 to Type1. ie, comparison is commutative.
If you want to use Data::Compare's own comparison function from within your handler (to, for example, compare a data structure that you
have stored somewhere in your object) then you will need to call it as Data::Compare::Compare. However, you must be careful to avoid
infinite recursion by calling D::C::Compare which in turn calls back to your handler.
The name of your plugins does not matter, only that it lives in one of those directories. Of course, giving it a sensible name means that
the usual installation mechanisms will put it in the right place, and meaningful names will make it easier to debug your code.
For an example, look at the plugin that handles Scalar::Properties objects, which is distributed with Data::Compare.
DISTRIBUTION
Provided that the above rules are followed I see no reason for you to not upload your plugin to the CPAN yourself. You will need to make
Data::Compare a pre-requisite, so that the CPAN.pm installer does the right thing.
Alternatively, if you would prefer me to roll your plugin in with the Data::Compare distribution, I'd be happy to do so provided that the
code is clear and well-commented, and that you include tests and documentation.
SEE ALSO
Data::Compare
Data::Compare::Plugins::Scalar::Properties
AUTHOR
Copyright (c) 2004 David Cantrell <david@cantrell.org.uk>. All rights reserved. This program is free software; you can redistribute it
and/or modify it under the same terms as Perl itself.
perl v5.16.2 2009-03-07 Data::Compare::Plugins(3)