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Full Discussion: TO find the word which occurs maximum number of times
Top Forums Shell Programming and Scripting TO find the word which occurs maximum number of times Post 302156434 by Klashxx on Tuesday 8th of January 2008 06:13:23 AM
Old 01-08-2008
Awk solution :

Code:
> cat f1
501,501.chan
502,502.anand
503,503.biji
503,503.biji
503,503.biji
504,504.raja
505,505.chan
506,506.anand
507,507.chan

Code:
>awk  '{      
      a[$NF]++
      if ( a[$NF] >= max )
         max=a[$NF]
      }
  END {
      for ( item in a )
         if ( max == a[item] )
            print item
      }' FS="." f1
biji
chan

 

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LEARN ABOUT ULTRIX

qmail-users

qmail-users(5)                                                  File Formats Manual                                                 qmail-users(5)

NAME

       qmail-users - assign mail addresses to users

OVERVIEW

       The file /var/lib/qmail/users/assign assigns addresses to users. For example,

          =joe.shmoe:joe:503:78:/home/joe:::

       says that mail for joe.shmoe should be delivered to user joe, with uid 503 and gid 78, as specified by /home/joe/.qmail.

       Assignments  fed  to  qmail-newu  will  be  used  by  qmail-lspawn  to  control  qmail-local's deliveries.  See qmail-newu(8).  A change to
       /var/lib/qmail/users/assign will have no effect until qmail-newu is run.

STRUCTURE

       /var/lib/qmail/users/assign is a series of assignments, one per line.  It ends with a line containing a single dot.  Lines must not contain
       NUL.

SIMPLE ASSIGNMENTS

       A simple assignment is a line of the form

          =local:user:uid:gid:homedir:dash:ext:

       Here  local is an address; user, uid, and gid are the account name, uid, and gid of the user in charge of local; and messages to local will
       be controlled by homedir/.qmaildashext.

       If there are several assignments for the same local address, qmail-lspawn will use the first one.

       local is interpreted without regard to case.

WILDCARD ASSIGNMENTS

       A wildcard assignment is a line of the form

          +loc:user:uid:gid:homedir:dash:pre:

       This assignment applies to any address beginning with loc, including loc itself.  It means the same as

          =locext:user:uid:gid:homedir:dash:preext:

       for every string ext.

       A more specific wildcard assignment overrides a less specific assignment, and a simple assignment overrides any wildcard  assignment.   For
       example:

          +:alias:7790:2108:/var/lib/qmail/alias:-::
          +joe-:joe:507:100:/home/joe:-::
          =joe:joe:507:100:/home/joe:::

       The  address  joe  is  handled  by the third line; the address joe-direct is handled by the second line; the address bill is handled by the
       first line.

SEE ALSO

       qmail-pw2u(8), qmail-newu(8), qmail-lspawn(8)

                                                                                                                                    qmail-users(5)
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