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Full Discussion: find formatted filename with date time
Top Forums UNIX for Advanced & Expert Users find formatted filename with date time Post 302164760 by dpath2o on Tuesday 5th of February 2008 10:20:33 PM
Old 02-05-2008
OK so here's the regex that I came up with that meets my needs and I use it in a perl script to find files and then parse out file name with the parts I need.
Code:
if ($_ =~ m/^($type)[-_\s](\w{4})[-_\s](\d{4}|\d{2})[-_\s](\d{2})[_\s](\d{2})[-_\s]?(\d{2})?(\d{2})?(\d{2})?[.]?(\w{3}|\w{4})?/i) { #SITE_TYPE_YYYY_MO[_HRMN|_HRMNSC]?.[xx|xxx]
        $Ftype   = $1;
        $Fsite   = $2;
	$yyyy    = $3;
        $mm      = $4;
        $dd      = $5;
        $HH      = $6;
        $MM      = $7;
        $SS      = $8;
        $Fsuffix = $9;
        $yyyy += 1900 if $yyyy >= 90 && $yyyy <= 100; #only good to 2090 
        $yyyy += 2000 if $yyyy < 90 && $yyyy;
        $tmpFile = $_;
        $tmpFILE = $File::Find::name;
        $tmpDir  = $File::Find::dir; 
        if ($yyyy < 1980 || ($DirsDont =~ m/$tmpDir/) ) { #don't attempt to perform work on these files
            print "!!! $_ is not understood ... skipping\n";
            return; 
        }
        $tmpT = Mktime($yyyy,$mm,$dd,$HH,$MM,$SS);
}

 

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LEARN ABOUT DEBIAN

sdate

sdate(1)							   Debian manual							  sdate(1)

NAME

       sdate - never ending September date

SYNOPSIS

       sdate [-e|--epoch yyyy-mm] [-l|--lib library] [--] [command]

DESCRIPTION

       sdate  runs a command in an environment wherein it wraps the libc localtime() and gmtime() calls such that the program will use the eternal
       September date.	The wrapper functions are in a shared library /usr/lib/libsdate/libsdate.so* which is loaded through the LD_PRELOAD mecha-
       nism of the dynamic loader. (See ld.so(8))

OPTIONS

       -e yyyy-mm, --epoch yyyy-mm
	      Specify an alternative epoch, default is 1993-09.

       -l library, --lib library
	      Specify an alternative wrapper library.

       [--] command
	      Any command you want to be ran. Use '--' if in the command you have other options that may confuse sdate's option parsing.

       -h     Display help.

       -v     Display version.

FILES

       /usr/lib/libsdate/* The shared library containing the wrapper functions.

ENVIRONMENT

       LD_PRELOAD

LIMITATIONS

       Library versions
	      Every command executed within sdate needs to be linked to the same version of the C library as sdate itself.

SEE ALSO

       http://www.catb.org/~esr/jargon/html/S/September-that-never-ended.html

       http://www.df7cb.de/projects/sdate/

COPYING

       sdate is distributed under the GNU General Public License.  (GPL v2 or later).

AUTHORS

       Christoph Berg
	      <cb@df7cb.de>

Debian Project							4620 September 1993							  sdate(1)
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