PATH=$PATH
export PATH
cat ttest.dat | awk '{total = $1 + $2 + $3 + $4;
printf "%d %d %d %d %d\n", $1, $2, $3, $4, total; system("echo " total)}'
echo "$total"
if ["$total" -le "20" ]; then
pwd
fi
exit 0
ttest.dat內容
10 10 10 10
11 11 11 11
5 5 5 1
為什麼awk執行完後 我的total裡面就什麼都沒有了。
要怎麼修改我的pwd才會執行到？
謝謝
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