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Forum: Shell Programming and Scripting 07-13-2011

Tab positioning

985

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awk -F":" '{sub("^[ \t]+","",$2);$1=$1":";printf...

awk -F":" '{sub("^[ \t]+","",$2);$1=$1":";printf "%-15s%s\n",$1,$2}' file

Forum: Shell Programming and Scripting 07-07-2011

Strange exit of while loop

1,588

Posted By

how about doing it all inside of awk... awk...

how about doing it all inside of awk...

awk '$0 !~ "^#" {
ip[$1]++
h[$2]++
} END {
for(i in ip) if(ip[i]>1) print "dup ips "i
for (j in h) if (h[j]>1) print "dup host "j
}' /etc/hosts

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