awk日期和時間戳轉換
strftime 將時間戳轉日期
awk 'BEGIN{print strftime("%Y-%m-%d",systime())}'
將日期轉爲時間戳
awk 'BEGIN {printf("%d\n",mktime(2006" "8" "5" "15" "09" "0))}'
strftime 將時間戳轉日期
awk 'BEGIN{print strftime("%Y-%m-%d",systime())}'
將日期轉爲時間戳
awk 'BEGIN {printf("%d\n",mktime(2006" "8" "5" "15" "09" "0))}'