Shell Programming and Scripting

rm -f test_file.txt
counter=0
while [[ $counter -le 9 ]]
do
#if [[ `date -d "${counter} day ago" +"%w"` -gt 0 && `date -d "${counter} day ago" +"%w"` -lt 6 ]]; then
#date -d "${counter} day ago" +"%Y%m%d" >> test_file.txt
if [[ `date -d "${counter} day ago" +"%w"` -eq 0 ]];then
#date -d "${counter} day ago" -d "1 day ago" +"%Y%m%d" >> test_file.txt
date -d "(${counter}+1) day ago" +"%Y%m%d" >> test_file.txt
elif [[ `date -d "${counter} day ago" +"%w"` -eq 6 ]];then
#date -d "${counter} day ago" -d "2 day ago" +"%Y%m%d" >> test_file.txt
date -d "(${counter}+2) day ago" +"%Y%m%d" >> test_file.txt
else
date -d "${counter} day ago" +"%Y%m%d" >> test_file.txt
fi
let counter=counter+1
done

counter=0

while [[ $counter -le 9 ]]
 do
   case $counter in
        [0-9])
          LDATE=`date -d "$counter days ago" +%Y%m%d`
          DOW=`date -d $LDATE +%u`

          case $DOW in
             7)
                DAY="Sunday";;
             6)
                DAY="Saturday";;
             *)
                DAY="Mon - Fri";;
          esac;;
   esac

   echo "$LDATE - $DAY - $counter"

   (( counter += 1 ))
 done

#!/bin/bash

today=$(date +"%Y%m%d")
last_consecutive="10"

i=1;k=1
while :; do

    date=$(date -d"$today - $i day" +"%u %Y%m%d")
    [ "${date:0:1}" -lt "6" ] && echo "${date:2}" "$k" && k=$((k+1))        
    [ "$k" -eq "$last_consecutive" ] && break || i=$((i+1))
    
done

$ bash last_10.sh
20131231 1
20131230 2
20131227 3
20131226 4
20131225 5
20131224 6
20131223 7
20131220 8
20131219 9