date loop bash from start_date to end_date

date_loop.bash

#!/bin/bash

## Linux

START_DATE="20160902"
END_DATE="20170303"

for (( DATE=${START_DATE}; ${DATE} < ${END_DATE}; DATE=`date -d "${DATE} 1 day" '+%Y%m%d'`))
do
  TARGET_DATE=`date -d ${DATE} '+%Y-%m-%d'`
  echo ${TARGET_DATE}
  curl ${URL}?date=${TARGET_DATE}
  sleep 2
done

## macOS

#!/bin/bash
START_DATE="20160902"
END_DATE="20170303"

for (( DATE=${START_DATE}; ${DATE} < ${END_DATE}; DATE=`date -j -v +1d -f "%Y%m%d" "${DATE}" +%Y%m%d`))
do
  NEXT_MONTH=`date -j -v +1d -f "%Y%m%d" "${DATE}" +%Y-%m-%d`
  echo $NEXT_MONTH
done

## macOS s3 and recursive grep

s3cmd get --recursive s3://hoge/date=2017-07

START_DATE="20170700"
END_DATE="20170720"
TARGET_PATH="login/confirm"
echo ${TARGET_PATH}'へのアクセス回数'
echo 'date, count'
for (( DATE=${START_DATE}; ${DATE} < ${END_DATE}; DATE=`date -j -v +1d -f "%Y%m%d" "${DATE}" +%Y%m%d`))
do
  TARGET_DATE=`date -j -v +1d -f "%Y%m%d" "${DATE}" +%Y-%m-%d`
  find date=${TARGET_DATE}/*/*.gz -print0 | xargs -0 zgrep ${TARGET_PATH} | echo ${TARGET_DATE},$(wc -l)
done