10-05-2005
You only have the date command in ksh and would have to write a script to fiddle with the output of that. The perl version is much easier. Unless you do not have perl installed on your system, I suggest you go with perl.
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LEARN ABOUT CENTOS
corelist
CORELIST(1) Perl Programmers Reference Guide CORELIST(1)
NAME
corelist - a commandline frontend to Module::CoreList
DESCRIPTION
See Module::CoreList for one.
SYNOPSIS
corelist -v
corelist [-a|-d] <ModuleName> | /<ModuleRegex>/ [<ModuleVersion>] ...
corelist [-v <PerlVersion>] [ <ModuleName> | /<ModuleRegex>/ ] ...
corelist [-r <PerlVersion>] ...
corelist --diff PerlVersion PerlVersion
OPTIONS
-a lists all versions of the given module (or the matching modules, in case you used a module regexp) in the perls Module::CoreList knows
about.
corelist -a Unicode
Unicode was first released with perl v5.6.2
v5.6.2 3.0.1
v5.8.0 3.2.0
v5.8.1 4.0.0
v5.8.2 4.0.0
v5.8.3 4.0.0
v5.8.4 4.0.1
v5.8.5 4.0.1
v5.8.6 4.0.1
v5.8.7 4.1.0
v5.8.8 4.1.0
v5.8.9 5.1.0
v5.9.0 4.0.0
v5.9.1 4.0.0
v5.9.2 4.0.1
v5.9.3 4.1.0
v5.9.4 4.1.0
v5.9.5 5.0.0
v5.10.0 5.0.0
v5.10.1 5.1.0
v5.11.0 5.1.0
v5.11.1 5.1.0
v5.11.2 5.1.0
v5.11.3 5.2.0
v5.11.4 5.2.0
v5.11.5 5.2.0
v5.12.0 5.2.0
v5.12.1 5.2.0
v5.12.2 5.2.0
v5.12.3 5.2.0
v5.12.4 5.2.0
v5.13.0 5.2.0
v5.13.1 5.2.0
v5.13.2 5.2.0
v5.13.3 5.2.0
v5.13.4 5.2.0
v5.13.5 5.2.0
v5.13.6 5.2.0
v5.13.7 6.0.0
v5.13.8 6.0.0
v5.13.9 6.0.0
v5.13.10 6.0.0
v5.13.11 6.0.0
v5.14.0 6.0.0
v5.14.1 6.0.0
v5.15.0 6.0.0
-d finds the first perl version where a module has been released by date, and not by version number (as is the default).
--diff
Given two versions of perl, this prints a human-readable table of all module changes between the two. The output format may change in
the future, and is meant for humans, not programs. For programs, use the Module::CoreList API.
-? or -help
help! help! help! to see more help, try --man.
-man
all of the help
-v lists all of the perl release versions we got the CoreList for.
If you pass a version argument (value of $], like 5.00503 or 5.008008), you get a list of all the modules and their respective
versions. (If you have the "version" module, you can also use new-style version numbers, like 5.8.8.)
In module filtering context, it can be used as Perl version filter.
-r lists all of the perl releases and when they were released
If you pass a perl version you get the release date for that version only.
As a special case, if you specify the module name "Unicode", you'll get the version number of the Unicode Character Database bundled with
the requested perl versions.
EXAMPLES
$ corelist File::Spec
File::Spec was first released with perl 5.005
$ corelist File::Spec 0.83
File::Spec 0.83 was released with perl 5.007003
$ corelist File::Spec 0.89
File::Spec 0.89 was not in CORE (or so I think)
$ corelist File::Spec::Aliens
File::Spec::Aliens was not in CORE (or so I think)
$ corelist /IPC::Open/
IPC::Open2 was first released with perl 5
IPC::Open3 was first released with perl 5
$ corelist /MANIFEST/i
ExtUtils::Manifest was first released with perl 5.001
$ corelist /Template/
/Template/ has no match in CORE (or so I think)
$ corelist -v 5.8.8 B
B 1.09_01
$ corelist -v 5.8.8 /^B::/
B::Asmdata 1.01
B::Assembler 0.07
B::Bblock 1.02_01
B::Bytecode 1.01_01
B::C 1.04_01
B::CC 1.00_01
B::Concise 0.66
B::Debug 1.02_01
B::Deparse 0.71
B::Disassembler 1.05
B::Lint 1.03
B::O 1.00
B::Showlex 1.02
B::Stackobj 1.00
B::Stash 1.00
B::Terse 1.03_01
B::Xref 1.01
COPYRIGHT
Copyright (c) 2002-2007 by D.H. aka PodMaster
Currently maintained by the perl 5 porters <perl5-porters@perl.org>.
This program is distributed under the same terms as perl itself. See http://perl.org/ or http://cpan.org/ for more info on that.
perl v5.16.3 2014-06-17 CORELIST(1)