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12.03.2007 at 04:03AM PST, ID: 22997224
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9.2

Perl string data split

Zone: Perl Programming Language
Tags: perl, split, string, date
Hi all this is my first question on this board.
I have a data log file which needs splitting.
the data file consists of the following data:
Fri Nov 30 16:52:25 2007 | <hostname> | <ip_address> |<user>|logon failed |
Mon Dec  3 09:59:25 2007 | <hostname> | <ip_address> |<user>|logon succeeded |

I have separated this pipe delimited file. However I need to separate date field (first column) to separate
$day,$month,$date,$time,$year.

the problem is the $date can either be single or double characters & my perl has gone rusty after being away from it for 5 years. Is there a simple solution that will split Fri Nov 30 16:52:25 2007 or  Mon Dec  3 09:59:25 2007 to separate $day,$month,$date,$time,$year reliably?
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Question Stats
Zone: Programming
Question Asked By: 1Tsupp
Solution Provided By: Adam314
Participating Experts: 3
Solution Grade: A
Views: 158
Translate:
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12.03.2007 at 04:12AM PST, ID: 20394928

Rank: Genius

ozo:

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12.03.2007 at 04:26AM PST, ID: 20394974
ghostdog74:

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12.03.2007 at 06:19AM PST, ID: 20395479
1Tsupp:

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12.03.2007 at 07:43AM PST, ID: 20396107

Rank: Genius

Adam314:

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12.03.2007 at 04:12AM PST, ID: 20394928

Rank: Genius

ozo:
while( <DATA> ){
 my($day,$month,$date,$time,$year) = split;
  print "day=$day,month=$month,date=$date,time=$time,year=$year\n";
}
__DATA__
Fri Nov 30 16:52:25 2007 | <hostname> | <ip_address> |<user>|logon failed |
Mon Dec  3 09:59:25 2007 | <hostname> | <ip_address> |<user>|logon succeeded |
 
12.03.2007 at 04:26AM PST, ID: 20394974
ghostdog74:
you can try modules like POSIX::strptime

eg
1:
2:
3:

use POSIX::strptime;
($sec, $min, $hour, $mday, $mon, $year, $wday, $yday) = POSIX::strptime("Fri Nov 30 16:52:25 2007", "%a %b %d %H:%M:%S %Y");
print "$sec $min  $hour $mday $mon  $year  $wday $yday";
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12.03.2007 at 06:19AM PST, ID: 20395479
1Tsupp:
Thanks for that. I dont't have POSIX::strptime installed on this solaris 10 system.
I've tried splitting the logfile as thus:-
while (<LOG>)
      {            
        chomp($_);
        my @line = split(/\|/, $_);
        print "log data pipe split:-$line[0]::$line[1]::$line[2]::$line[3]::$line[4]\n";  
        my $date=$line[0];
        my @datetime= split(/ /,$date);

With this for double date digits @datetime gets the correct split but for single digits it doesn't.
I've tried ozo's but that doesnt work either.
 
12.03.2007 at 07:43AM PST, ID: 20396107

Rank: Genius

Adam314:
The problem is there are 2 spaces between month and date when the date is a single digit.  You need the regex in split to take multiple spaces as a single separator.
1:

my @datetime= split(/ +/,$date);    #Notice the +
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Accepted Solution
 
 
ozo
12.03.2007 at 11:02AM PST, ID: 20397635
what was wrong with http:/#a20394928 ?
 
 
ozo
12.03.2007 at 11:03AM PST, ID: 20397637
what was wrong with http:#a20394928 ?
 
 
1Tsupp
12.04.2007 at 01:29AM PST, ID: 20401745
hi ozo i tried your suggestion but it didn't work & with my bit code adam314 suggestion worked.
thanks for the suggestion.
 
 
ozo
12.04.2007 at 01:42AM PST, ID: 20401783
What does "didn't work" mean?
When I run it, it prints
day=Fri,month=Nov,date=30,time=16:52:25,year=2007
day=Mon,month=Dec,date=3,time=09:59:25,year=2007
Did it do something different for you, or were you expecting it to do something else?
 
 
 
20080236-EE-VQP-29 / EE_QW_2_20070628