unix find command without mmin option Post: 302322790

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Top Forums Shell Programming and Scripting unix find command without mmin option Post 302322790 by durden_tyler on Thursday 4th of June 2009 02:52:21 PM

06-04-2009

Registered User

Quote:

Originally Posted by Bill Ma

I need to check if a file has been modified within the last x hours. My find command does not have the mmin option -- only the mtime option which is in 24 hour perriods

One way to do it:

Code:

$
$
$ touch --date="1-Jan-2009 10:11:12 AM" file1
$
$ touch file2
$
$ cat filetime.pl
#!perl
#
# Usage: perl filetime.pl <file_name> <age_in_hours_0_to_23>
#
use Date::Calc;
$file=$ARGV[0];
$age=$ARGV[1];
# file modification time
$mtime = (stat($file))[9];
($s1, $min1, $h1, $d1, $mon1, $y1) = (localtime($mtime))[0,1,2,3,4,5];
$mon1++;
$y1 += 1900;
# current time
($s2, $min2, $h2, $d2, $mon2, $y2) = (localtime)[0,1,2,3,4,5];
$mon2++;
$y2 += 1900;
($Dd,$Dh,$Dm,$Ds) = Date::Calc::Delta_DHMS($y1,$mon1,$d1, $h1,$min1,$s1,
                                           $y2,$mon2,$d2, $h2,$min2,$s2);
if ($Dd > 0 or $Dh >= $age) {
  print "The file: $file is at least $age hours old.\n"
} else {
  print "The file: $file is less than $age hours old.\n"
}
$
$ perl filetime.pl file1 10
The file: file1 is at least 10 hours old.
$
$ perl filetime.pl file2 10
The file: file2 is less than 10 hours old.
$

Hope that helps,
tyler_durden

durden_tyler

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LEARN ABOUT DEBIAN

combine

COMBINE(1)																COMBINE(1)

NAME

       combine - combine sets of lines from two files using boolean operations

SYNOPSIS

       combine file1 and file2

       combine file1 not file2

       combine file1 or file2

       combine file1 xor file2

       _ file1 and file2 _

       _ file1 not file2 _

       _ file1 or file2 _

       _ file1 xor file2 _

DESCRIPTION

       combine combines the lines in two files. Depending on the boolean operation specified, the contents will be combined in different ways:

       and Outputs lines that are in file1 if they are also present in file2.

       not Outputs lines that are in file1 but not in file2.

       or  Outputs lines that are in file1 or file2.

       xor Outputs lines that are in either file1 or file2, but not in both files.

       "-" can be specified for either file to read stdin for that file.

       The input files need not be sorted, and the lines are output in the order they occur in file1 (followed by the order they occur in file2
       for the two "or" operations). Bear in mind that this means that the operations are not commutative; "a and b" will not necessarily be the
       same as "b and a". To obtain commutative behavior sort and uniq the result.

       Note that this program can be installed as "_" to allow for the syntactic sugar shown in the latter half of the synopsis (similar to the
       test/[ command). It is not currently installed as "_" by default, but you can alias it to that if you like.

SEE ALSO

       join(1)

AUTHOR

       Copyright 2006 by Joey Hess <joey@kitenet.net>

       Licensed under the GNU GPL.

moreutils							    2012-04-09								COMBINE(1)

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