Shell脚本实现的阳历转农历代码分享

#!/bin/shDATE=$@[ "$DATE" = "" ] && DATE=$(date +%Y%m%d)databases_path=databasesdate_year=$(echo $DATE |sed 's/^/(./{4/}/).*//1/')date_month=$(echo $DATE |sed 's/.*/(../)..$//1/')date_day=$(echo $DATE |sed 's/.*/(../)$//1/')date_days=$(date -d $DATE +%j)lunar_year=$(sed /$date_year/!d $databases_path |sed 's/^/(..../).*//1/')lunar_year_data=$(sed /$date_year/!d $databases_path |sed 's/.*/ /(.*/)//1/')lunar_year_data_bin=$(echo "ibase=16;obase=2;$lunar_year_data"|bc |sed -e :a -e 's/^./{1,23/}$/0&/;ta')new_year_month_bin=$(echo $lunar_year_data_bin |sed -e 's/^./{17/}/(./{2/}/).*//1/')new_year_month=$(echo "ibase=2;$new_year_month_bin"|bc |sed -e :a -e 's/^./{1,1/}$/0&/;ta')new_year_day_bin=$(echo $lunar_year_data_bin |sed -e 's/.*/(./{5/}/)$//1/')new_year_day=$(echo "ibase=2;$new_year_day_bin"|bc |sed -e :a -e 's/^./{1,1/}$/0&/;ta')new_year_days=$(date -d $date_year$new_year_month$new_year_day +%j)lunar_days=$(expr $date_days - $new_year_days + 1)befor_or_after=0if [ "$lunar_days" -le "0" ]; then  befor_or_after=1  date_year=$(($date_year - 1))  lunar_year=$(sed /$date_year/!d $databases_path |sed 's/^/(..../).*//1/')  lunar_year_data=$(sed /$date_year/!d $databases_path |sed 's/.*/ /(.*/)//1/')  lunar_year_data_bin=$(echo "ibase=16;obase=2;$lunar_year_data"|bc |sed -e :a -e 's/^./{1,23/}$/0&/;ta')filunar_leap_month_bin=$(echo $lunar_year_data_bin |sed -e 's/^/(./{4/}/).*//1/')lunar_leap_month=$(echo "ibase=2;$lunar_leap_month_bin"|bc)lunar_month_all_bin=$(echo $lunar_year_data_bin |sed -e 's/^./{4/}/(./{13/}/).*//1/')[ "$lunar_leap_month" = "0" ] && lunar_month_all_bin=$(echo $lunar_year_data_bin |sed -e 's/^./{4/}/(./{12/}/).*//1/')lunar_month_all=$(echo $lunar_month_all_bin |sed -e 's/0/29/ /g' |sed -e 's/1/30/ /g')if [ "$befor_or_after" = "0" ];then  lunar_month=1  lunar_day=$lunar_days  for i in $lunar_month_all  do   [ "$lunar_day" -gt "$i" ] && lunar_day=$(($lunar_day - $i)) && lunar_month=$(($lunar_month + 1))   [ "$lunar_day" = "$i" ] && break  doneelse  lunar_month=12  lunar_day=$((-$lunar_days))  lunar_month_all_bin=$(echo $lunar_month_all_bin |rev)  lunar_month_all=$(echo $lunar_month_all_bin |sed -e 's/0/29/ /g' |sed -e 's/1/30/ /g')  for i in $lunar_month_all  do   if [ "$lunar_day" -gt "$i" ]; then     lunar_day=$(($lunar_day - $i))     lunar_month=$(($lunar_month - 1))   else     lunar_day=$(($i - $lunar_day))     break   fi  donefiif [ "$lunar_leap_month" = "0" ]; then  echo $lunar_year-$lunar_month-$lunar_dayelse  if [ "$lunar_leap_month" -ge "$lunar_month" ]; then   echo $lunar_year-$lunar_month-$lunar_day  elif [ "$befor_or_after" = "0" ]; then   if [ "$(($lunar_leap_month + 1))" = "$lunar_month" ];then     lunar_month=$(($lunar_month - 1))     echo $lunar_year-*$lunar_month-$lunar_day   else     lunar_month=$(($lunar_month - 1))     echo $lunar_year-$lunar_month-$lunar_day   fi  else   echo $lunar_year-$lunar_month-$lunar_day  fifilunar.sh