我需要將當前日期傳遞給 linux 命令,這將為我提供輸出
quarter number
我有兩個疑問
date +"%Yq$(expr $(expr $(date -d '-1 month' +%m) - 1) / 3 + 1)"
結果 -> 2015q3(當前季度)
date +"%Y %m" | awk '{q=int($2/4);y=$1;if (q==0){q=4;y=y-1;}; printf("%sq%s\n", y, q);}'
結果 -> 2015q2(上一季)
您能否幫忙修改上述查詢以獲得所需的結果?提前致謝。
答案1
有時KISS(保持簡單)是最簡單的答案:
year=$(date +%Y)
case $(date +%m) in
01|02|03) let year=year-1
echo ${year}q4 1 oct $year - 31 dec $year oct nov dec ;;
04|05|06) echo ${year}q1 1 jan $year - 31 mar $year jan feb mar ;;
07|08|09) echo ${year}q2 1 apr $year - 31 jun $year apr may jun ;;
10|11|12) echo ${year}q3 1 jul $year - 31 sep $year jul aug sep ;;
esac
單獨使用它們的最簡單方法是將它們作為函數添加到要呼叫的 shell 腳本中,例如:
getquarter(){
year=$(date +%Y)
case $(date +%m) in
01|02|03) let year=year-1
qtr="${year}q4" range="1 oct $year - 31 dec $year" months="oct nov dec" ;;
04|05|06) qtr="${year}q1" range="1 jan $year - 31 mar $year" months="jan feb mar" ;;
07|08|09) qtr="${year}q2" range="1 apr $year - 31 jun $year" months="apr may jun" ;;
10|11|12) qtr="${year}q3" range="1 jul $year - 31 sep $year" months="jul aug sep" ;;
esac
}
getquarter
echo "last quarter was $qtr, from $range, for $months"
如果您不能這樣做,您可以在呼叫函數後呼叫腳本並在引號中傳遞參數:
getquarter(){ ... as above }
getquarter
myscript "$qtr" "$range" "$months"