Created
January 30, 2012 23:00
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ascii histogram of channel density
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| iwlist wlan0 scan | fgrep Channel: | sed 's/Channel://' | sort -n | uniq -c | sort -k2n | awk '{ print $2 " " $1 }' | awk '!max{max=$2;}{r="";i=s=$2/max;while(i-->0)r=r"#";printf "%3s %2d %s %s",$1,$2,r,"\n";}' |
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