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Full Discussion: shell scripting help/advice
Top Forums UNIX for Dummies Questions & Answers shell scripting help/advice Post 302363616 by qcent on Tuesday 20th of October 2009 07:06:31 PM
Old 10-20-2009
thanks vgersh99 but i get an error when i run that line:
nawk: can't read value of sum; it's an array name.
input record number 1386, file /var/log/httpd-access.log
source line number 1


edit
---------------
ok i fix the line to read
Code:
nawk '{sum[$1]+=$10}END {for(i in sum) print sum[$i]/1024, "KB", i}' "$1" | sort -nr -k1,1 | head -10

and it give almost a perfect output except that sum[$i] is always null and it is sorting by ip address not bandwidth usage

re-edit
-----------------
i got it just by removing the "$" from i thank you for this vgersh it also appears to be much faster then my original method
Last edited by qcent; 10-20-2009 at 08:25 PM..
 

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LEARN ABOUT DEBIAN

sum

SUM(1)								   User Commands							    SUM(1)

NAME

       sum - checksum and count the blocks in a file

SYNOPSIS

       sum [OPTION]... [FILE]...

DESCRIPTION

       Print checksum and block counts for each FILE.

       -r     use BSD sum algorithm, use 1K blocks

       -s, --sysv
	      use System V sum algorithm, use 512 bytes blocks

       --help display this help and exit

       --version
	      output version information and exit

       With no FILE, or when FILE is -, read standard input.

AUTHOR

       Written by Kayvan Aghaiepour and David MacKenzie.

REPORTING BUGS

       Report sum bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report sum translation bugs to <http://translationproject.org/team/>

COPYRIGHT

       Copyright (C) 2011 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       The  full  documentation  for sum is maintained as a Texinfo manual.  If the info and sum programs are properly installed at your site, the
       command

	      info coreutils 'sum invocation'

       should give you access to the complete manual.

GNU coreutils 8.12.197-032bb					  September 2011							    SUM(1)
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