156 lines
3.1 KiB
Bash
Executable File
156 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# monthly-attendace-paper - A simple bash script that generates a monthly
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# printout template to be used between an employer and employee.
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#
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# Written in 2017 by Franco Masotti/frnmst <franco.masotti@student.unife.it>
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#
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to the public
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# domain worldwide. This software is distributed without any warranty.
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#
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# You should have received a copy of the CC0 Public Domain Dedication along
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# with this software. If not, see
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# <http://creativecommons.org/publicdomain/zero/1.0/>.
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. ./configrc
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declare -A days_string
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days_string[Mon]="$Mon"
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days_string[Tue]="$Tue"
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days_string[Wed]="$Wed"
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days_string[Thu]="$Thu"
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days_string[Fri]="$Fri"
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days_string[Sat]="$Sat"
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days_string[Sun]="$Sun"
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declare -A days_id
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days_id[0]=Mon
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days_id[1]=Tue
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days_id[2]=Wed
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days_id[3]=Thu
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days_id[4]=Fri
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days_id[5]=Sat
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days_id[6]=Sun
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###
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printf "%s\n\n\n" "$title"
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printf "%s\n\n" "$employer"
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printf "%s\n\n" "$employee"
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printf "%s\n" "$date_id"
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printf "\n\n"
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###
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is_febuary="false"
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if [ "$this_month" = "02" ]; then
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is_febuary="true"
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fi
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# Algorithm got from Wikipedia.
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is_leap_year="false"
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if [ $(($this_year % 4)) -ne 0 ]; then
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is_leap_year="false"
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elif [ $(($this_year % 100)) -ne 0]; then
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is_leap_year="true"
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elif [ $(($this_year % 400)) -ne 0]; then
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is_leap_year="false"
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else
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is_leap_year="true"
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fi
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get_cal="$(cal -m $this_month $this_year | awk 'NF > 0' | tail -n +3)"
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# Starting from monday (1) get the first and last day id of the month.
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first_cal_line="$(printf "%s" "$get_cal" | head -n1)"
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last_cal_line="$(printf "%s" "$get_cal" | tail -n1)"
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first_day_id=$(printf "$first_cal_line" | wc -w)
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first_day_id=$((7-$first_day_id+1))
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first_day_id=$(($first_day_id-1))
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last_day_id=$(printf "%s" "$last_cal_line" | wc -w)
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last_day_number=$(echo $last_cal_line | awk "{print \$$last_day_id}")
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last_day_id=$(($last_day_id-1))
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day_offset=15
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if [ "$is_febuary" = "true" ]; then
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day_offset=14
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fi
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month="$(seq 1 $day_offset)"
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tabulation()
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{
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printf "\t\t\t"
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}
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newline()
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{
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printf "\n\n\n"
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}
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get_full_string()
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{
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local day=$1
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local ds="$2"
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printf "$day/$this_month\t$ds"
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}
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print_day()
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{
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local day=$1
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local day_id=$2
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local dd="${days_id[$day_id]}"
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local ds="${days_string[$dd]}"
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# If sunday
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if [ $dd = $highlited_day ]; then
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printf "||"
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get_full_string "$day" "$ds"
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printf "||"
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else
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printf " "
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get_full_string "$day" "$ds"
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printf " "
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fi
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}
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print_day_left()
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{
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print_day $1 $2
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tabulation
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}
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print_day_right()
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{
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print_day $1 $2
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newline
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}
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day_id=$first_day_id
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for day in $month; do
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print_day_left $day $(($day_id % 7))
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print_day_right $(($day + $day_offset)) $((($day_id + $day_offset) % 7))
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day_id=$(($day_id + 1))
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done
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# Months with 31 days.
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if [ $last_day_number -eq 31 ]; then
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tabulation
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printf "\t\t"
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print_day_right 31 $((($day_id + $day_offset) % 7))
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fi
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if [ "$is_leap_year" = "true" ]; then
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tabulation
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printf "\t\t"
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print_day_right 29 $((($day_id + $day_offset) % 7))
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fi
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printf "%s\n" "$format"
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