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AWK/GREP sorting help

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# 8  
Old 08-11-2010
I didn't make it in one awk instruction but nevertheless:
Code:
awk 'NR==1{h=$2} {gsub(/[]AS[]/,"",$4); _[$1]=$4} END{print h; for(a in _){if(f){f=f RS _[a]}else{f=_[a]}}; print f | "sort -n| uniq"}' infile| awk 'NR==1 {printf("%s", $1)} NR>1 {printf(" AS%s"), $1} END{printf RS}'
192.168.1.1 AS174 AS5089 AS28513 AS65534

Done with GNU awk; maybe someone got a more compact version.

---------- Post updated at 04:04 PM ---------- Previous update was at 03:47 PM ----------

Removed the substitution and pasting of A and S (AS) so that sort can take S as delimeter for fields.

Code:
awk 'NR==1{h=$2} {gsub(/[][]/,"",$4); _[$1]=$4} END{print h; for(a in _){if(f){f=f RS _[a]}else{f=_[a]}}; print f | "sort -tS -n -k2| uniq"}' infile| awk 'NR==1 {printf("%s", $1)} NR>1 {printf(" %s"), $1} END{printf RS}'
192.168.1.1 AS174 AS5089 AS28513 AS65534

This User Gave Thanks to zaxxon For This Post:
sam127
# 9  
Old 08-11-2010
Thanks a million
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