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Full Discussion: Help for a awk script
Top Forums Shell Programming and Scripting Help for a awk script Post 302624711 by Scrutinizer on Monday 16th of April 2012 03:47:36 PM
Old 04-16-2012
Since you have lots of values, we should avoid calling external programs, especially in the loop. This has no external programs in the loop and should run quite a bit faster, try and see if this works..

Code:
sort infile | 
{
  while read newid x val
  do
    case $newid in                                
      ID)    continue ;;                           
  
      "$id") count=$((count + 1))
             tot=$((tot + val))
             if [ $val -gt $max ]; then            
               max=$val
             elif [ $val -lt $min ]; then
               min=$val
             fi ;;
  
      ?*)    if [ -n "$id" ]; then                 
               printf "%s %d %d %d %d\n" "$id" $count $(( tot/count )) $max $min
             fi
             min=$val max=$val tot=$val            
             count=1
             id=$newid ;;
    esac
  done
  printf "%s %d %d %d %d\n" "$id" $count $(( tot/count )) $max $min
}

If this is not fast enough, then it can be changed to awk, but you seem more comfortable with shell..
Last edited by Scrutinizer; 04-16-2012 at 05:01 PM..
This User Gave Thanks to Scrutinizer For This Post:
jockx
 

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LEARN ABOUT SUSE

sieveshell

SIEVESHELL(1)						User Contributed Perl Documentation					     SIEVESHELL(1)

NAME

       sieveshell - remotely manipulate sieve scripts

SYNOPSIS

       sieveshell [--user=user] [--authname=authname] [--realm=realm] [--exec=script] server[:port]

       sieveshell --help

DESCRIPTION

       sieveshell allows users to manipulate their scripts on a remote server.	It works via MANAGESIEVE, a work in progress.

       The following commands are recognized:

	   list list scripts on server.

	   put <filename> upload script to server.

	   get <name> [<filename>] get script. if no filename display to stdout

	   delete <name> delete script.

	   activate <name> activate script.

	   deactivate deactivate all scripts.

OPTIONS

       -u user, --user=user
	   The authorization name to request; by default, derived from the authentication credentials.

       -a authname, --authname=authname
	   The user to use for authentication (defaults to current user).

       -r realm, --realm=realm
	   The realm to attempt authentication in.

       -e script, --exec=script
	   Instead of working interactively, run commands from script, and exit when done.

REFERENCES

       [MANAGESIEVE] Martin, T.; "A Protocol for Remotely Managing Sieve Scripts", draft-ietf-managesieve-03.txt, Mirapoint, Inc.; May 2001, work
       in progress.

AUTHOR

       Tim Martin <tmartin@mirapoint.com>, and the rest of the Cyrus team <cyrus-bugs@andrew.cmu.edu>.

perl v5.10.0							    2008-04-04							     SIEVESHELL(1)
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