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Full Discussion: If I ran perl script again,old logs should move with today date and new logs should generate.
Top Forums Shell Programming and Scripting If I ran perl script again,old logs should move with today date and new logs should generate. Post 303014562 by MadeInGermany on Wednesday 14th of March 2018 03:27:28 PM
Old 03-14-2018
I think you must detect if it's the first write to each logfile.
This is done with a hash (associative arrary).
Code:
...
while(<>) {
  if (/^#(\w+)#(.+)$/) {
    if ($last_name ne $1) {
      close $writeout if $writeout;
      if (!defined $fn{$1}) {
# not yet in hash => rename if present
        if (-f "$1.log") { rename "$1.log","$1.log.old"; }
# put in hash
        $fn{$1}="";
      }
      open($writeout, '>>', "$1.log");
    }
...

This renames to .old. Putting a date is left as an exercise.
 

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DOVEADM-LOG(1)							      Dovecot							    DOVEADM-LOG(1)

NAME

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SYNOPSIS

       doveadm [-Dv] log errors
       doveadm [-Dv] log find [directory]
       doveadm [-Dv] log reopen
       doveadm [-Dv] log test

DESCRIPTION

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OPTIONS

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COMMANDS

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SEE ALSO

       doveadm(1)

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