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Full Discussion: Keeping only 6 logs and deleting the rest...
Top Forums Shell Programming and Scripting Keeping only 6 logs and deleting the rest... Post 302325520 by jim mcnamara on Monday 15th of June 2009 11:06:43 AM
Old 06-15-2009
one clunky way:
Code:
#!/bin/ksh
set -A arr  $(ls -t /directory/logfile*)
value=${#arr[*]} 

while [[ value -gt 6 ]] 
do
     x=$(( $value -1 ))  # arrays are zero-indexed
     rm -f ${arr[x]}      # remove the oldest 
     unset arr[x]          # remove the filename from the array
     value=${#arr[*]}   # get new array length
done

try something with arrays like this.
 

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LEARN ABOUT LINUX

getbuildlog

GETBUILDLOG(1)                                                General Commands Manual                                               GETBUILDLOG(1)

NAME

       getbuildlog - download build logs from Debian auto-builders

SYNOPSIS

       getbuildlog package [version-pattern] [architecture-pattern]

DESCRIPTION

       getbuildlog downloads build logs of package from Debian auto-builders. It downloads build logs of all versions and for all architectures if
       version-pattern and architecture-pattern are not specified or empty, otherwise only build logs whose  versions  match  version-pattern  and
       build  logs  whose  architectures  match  architecture-pattern will be downloaded. The version and architecture patterns are interpreted as
       extended regular expressions as described in grep(1).

       If version-pattern is "last" then only the logs for the most recent version of package found on buildd.debian.org will be downloaded.

       If version-pattern is "last-all" then the logs for the most recent version found on each build log index will be downloaded.

OPTIONS

       -h, --help
              Show usage information and examples.

       -V, --version
              Show version and copyright information.

EXAMPLES

       getbuildlog hello 2.2-1 amd64
              Download amd64 build log for hello version 2.2-1.

       getbuildlog glibc "" mips.*
              Download mips(el) build logs of all glibc versions.

       getbuildlog wesnoth .*bpo.*
              Download all build logs of backported wesnoth versions.

AUTHOR

       Written by Frank S. Thomas <fst@debian.org>.

DEBIAN                                                           Debian Utilities                                                   GETBUILDLOG(1)
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