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Full Discussion: How to Sort files on date field
Top Forums Shell Programming and Scripting How to Sort files on date field Post 302258909 by Perderabo on Sunday 16th of November 2008 12:56:46 PM
Old 11-16-2008
Code:
$ cat data
SONYELEC00.GI22973.01May07_1623.gpg
SONYELEC00.GI22973.06Mar08_1504.gpg
SONYELEC00.GI22973.06Sep07_1900.gpg
SONYELEC00.GI22973.08Nov07_1900.gpg
SONYELEC00.GI22973.13Aug07_1900.gpg
SONYELEC00.GI22973.19Apr07_1733.gpg
SONYELEC00.GI22973.22Jan08_1900.gpg
SONYELEC00.GI22973.24Apr07_1757.gpg
SONYELEC00.GI22973.26Jun08_1900.gpg
SONYELEC00.GI22974.01May07_1623.gpg
SONYELEC00.GI22974.13Aug07_1900.gpg
SONYELEC00.GI22974.19Apr07_1733.gpg
SONYELEC00.GI22974.24Apr07_1757.gpg
$
$ cat sorta
#! /usr/bin/ksh
Jan=01 Feb=02 Mar=03 Apr=04 May=05 Jun=06
Jul=07 Aug=08 Sep=09 Oct=10 Nov=11 Dec=12

while read name ; do
        base=${name%.gpg}
        hhmm=${base##*_}
        base=${base%_*}
        date=${base##*.}
        day=${date%?????}
        year=${date#?????}
        year=20${year}
        month=${date#??}
        month=${month%??}
        eval month=\$$month
        sort="${year}${month}${day}${hhmm}"
        echo $sort $name
done | sort | while read junk name ; do
        echo $name
done
exit 0
$
$
$ ./sorta < data
SONYELEC00.GI22973.19Apr07_1733.gpg
SONYELEC00.GI22974.19Apr07_1733.gpg
SONYELEC00.GI22973.24Apr07_1757.gpg
SONYELEC00.GI22974.24Apr07_1757.gpg
SONYELEC00.GI22973.01May07_1623.gpg
SONYELEC00.GI22974.01May07_1623.gpg
SONYELEC00.GI22973.13Aug07_1900.gpg
SONYELEC00.GI22974.13Aug07_1900.gpg
SONYELEC00.GI22973.06Sep07_1900.gpg
SONYELEC00.GI22973.08Nov07_1900.gpg
SONYELEC00.GI22973.22Jan08_1900.gpg
SONYELEC00.GI22973.06Mar08_1504.gpg
SONYELEC00.GI22973.26Jun08_1900.gpg
$

 

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LEARN ABOUT PHP

gnupg_encryptsign

GNUPG_ENCRYPTSIGN(3)							 1						      GNUPG_ENCRYPTSIGN(3)

gnupg_encryptsign - Encrypts and signs a given text

SYNOPSIS

       string gnupg_encryptsign (resource  $identifier, string	$plaintext)

DESCRIPTION

	Encrypts and signs the given $plaintext with the keys, which were set with gnupg_addsignkey and gnupg_addencryptkey before and returns the
       encrypted and signed text.

PARAMETERS

	      o $identifier
		-The gnupg identifier, from a call to gnupg_init(3) or gnupg.

	      o $plaintext
		- The text being encrypted.

RETURN VALUES

	On success, this function returns the encrypted and signed text. On failure, this function returns FALSE.

EXAMPLES

       Example #1

	      Procedural gnupg_encryptsign(3) example

	      <?php
	      $res = gnupg_init();
	      gnupg_addencryptkey($res,"8660281B6051D071D94B5B230549F9DC851566DC");
	      gnupg_addsignkey($res,"8660281B6051D071D94B5B230549F9DC851566DC","test");
	      $enc = gnupg_encryptsign($res, "just a test");
	      echo $enc;
	      ?>

       Example #2

	      OO gnupg_encryptsign(3) example

	      <?php
	      $gpg = new gnupg();
	      $gpg -> addencryptkey("8660281B6051D071D94B5B230549F9DC851566DC");
	      $gpg -> addsignkey("8660281B6051D071D94B5B230549F9DC851566DC","test");
	      $enc = $gpg -> encryptsign("just a test");
	      echo $enc;
	      ?>

PHP Documentation Group 												      GNUPG_ENCRYPTSIGN(3)
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