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List:       aix-l
Subject:    Re: Determining how many seconds ago a file has been touched
From:       "Mills, John T" <John.Mills () GRAYBAR ! COM>
Date:       2009-07-31 12:19:14
Message-ID: ADC0BBEE2BA21645982922CCF8C7AD2702F4F08B () SEBEV1PW ! graybar ! com
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I extended one of my KSH scripts with embedded perl.  Perl has about 10 states of a \
file that it can delve and it has the ability to convert epoch to a readable format.

CTIME = creation time in seconds since epoch
MTIME = last touch time in seconds since epoch
STIME = creation time in human readable
ETIME = last touch time in human readable
TTIME = length of time between creation and last touch in seconds


CTIME=`perl -e ' @stats = stat("@ARGV"); print @stats[8];' $FILE`
MTIME=`perl -e ' @stats = stat("@ARGV"); print @stats[10];' $FILE`
STIME=`perl -e 'use Time::Local; $tm_TIME=localtime("@ARGV"); printf $tm_TIME;' \
$CTIME | awk {'print $2 "-" $3 "," $4'}` ETIME=`perl -e 'use Time::Local; \
$tm_TIME=localtime("@ARGV"); printf $tm_TIME;' $MTIME | awk {'print $2 "-" $3 "," \
$4'}` let TTIME=$MTIME-$CTIME


John T Mills


-----Original Message-----
From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On Behalf Of Jean-Marc \
                Monnez
Sent: Friday, July 31, 2009 6:09 AM
To: aix-l@Princeton.EDU
Subject: Re: Determining how many seconds ago a file has been touched

Hello Holger,
I met the same problem as yours.
My solution was a new command FileAge I wrote in C.
Usage: FileAge file

#include <stdio.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>

int main (int argc , char **argv)
{
    struct stat st;
    struct timestruc_t time_pointer;

    if (stat(argv[1], &st) != 0)
    {
        fprintf(stderr, "%s: No access to %s\n", argv[0], argv[1]);
        exit(1);
    }
    gettimer(TIMEOFDAY, &time_pointer);

    printf("%d\n", (int)time_pointer.tv_sec - st.st_mtime);
    exit(0);
}

Hope it can help you.
Regards.

-- JMM

-----------------------------
Jean-Marc MONNEZ
MSA / AGORA / Editique
monnez.jean-marc@agora.msa.fr
-----------------------------



Holger van Koll a écrit :
> Hello,
> 
> how can I determine how many seconds ago a file has been touched?
> 
> I need to put the time in seconds into a (ksh)-variable. I looked at 
> ls/find but did not see any possibility.
> 
> Regs, Holger
> 
> 



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