UNIX for Dummies Questions & Answers

#!/bin/sh

echo "A 6 6 3 6 7 8
B 1 2 3 4 5 5
C 2 2 2 6 7 8" |
while read LINE
do
        COUNT=0

        for X in $LINE
        do
                [ -z "${X##[0-9]}" ] && [ "$X" -ge 6 ] && ((COUNT++))
        done

        [ "$COUNT" -ge 5 ] && echo "$LINE"
done

awk '{for(i=2;i<=NF;i++) {if($i>=6)c++}} c>=5 {print; c=0}' file

awk '{for(i=2;i<=NF;i++) if($i>=6) {if (++c>=5) {print;c=0;break}}}' file

awk '{for(i=2;i<=NF;i++) {if($i>=6)c++}} c>=5 {print; c=0}' file

for(i=2;i<=NF;i++)

{if($i>=6)c++}}

c>=5 {print; c=0}