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Full Discussion: Count no of netstat states
Top Forums Shell Programming and Scripting Count no of netstat states Post 302911276 by Don Cragun on Thursday 31st of July 2014 12:06:29 AM
Old 07-31-2014
You can merge the grep behavior into the awk code and get rid of the invocation of grep:
Code:
netstat -a | awk '/server/ && /LISTEN|ESTABLISHED|TIME_WAIT/{a[$6]++}; END { for(b in a) print "Count of "b" is: "a[b]}'

 

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ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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