62 lines
1.7 KiB
Bash
62 lines
1.7 KiB
Bash
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#!/bin/sh
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# CHECK PARAMETER
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usage() { printf '%s\n' "Usage: fixme_termine.sh <JAHR>"; exit 2; }
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[ -z $1 ] && usage
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YEAR=$1
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# ENFORCE DATE FORMAT
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LC_TIME=en_US
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export LC_TIME
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SYSTEM="$(uname)"
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# GET LIST OF PUBLIC HOLIDAYS IN "YYYY-MM-DD" FORMAT.
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LIST="$(curl -s "https://feiertage-api.de/api/?jahr=$YEAR" \
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| json2tsv | grep -E '^\.BW.*datum' \
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| awk -F'\t' '{ printf("%s",$3"|"); split($1,a,"."); printf("%s.%s\n",a[3],a[4]); }' \
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| sed 's/\.datum//g')"
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find_friday() {
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local YMD="$1"
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[ "$SYSTEM" = "Linux" ] && \
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DATE=$(date -d "$YMD" +"%a %d.%m.%Y" | grep Fri)
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[ "$SYSTEM" = "OpenBSD" ] && \
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DATE=$(date -jf "%Y-%m-%d" +"%a %d.%m.%Y" "$YMD" | grep Fri)
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[ "$DATE" != "" ] && printf "1" || printf "0";
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}
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# LOOP AT MONTHS
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for MONTH in 1 2 3 4 5 6 7 8 9 10 11 12;
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do
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# THERE IS A FRIDAY IN THE FIRST 7 DAYS OF A MONTH
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DAY=1
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while [ $DAY -le 7 ];
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do
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# ADD LEADING ZEROS
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YMD=$(printf '%s-%02.0f-%02.0f' "$YEAR" "$MONTH" "$DAY")
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# IS THIS DAY A FRIDAY?
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if [ "$(find_friday $YMD)" -eq "1" ]; then
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# CHECK IF THIS FRIDAY IS A HOLIDY
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if printf "$LIST" | grep -q "$YMD"; then
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# FIND HOLIDAY REASON
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HOLIDAY="$(printf '%s' "$LIST" | grep "$YMD" | cut -d'|' -f2-)"
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# PRINT AND SUGGEST DAY+7
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printf '%02.0f.%02.0f.%s' "$DAY" "$MONTH" "$YEAR"
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printf '%s' " < $HOLIDAY, verschieben auf "
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printf '%02.0f.%02.0f.%s?\n' "$(($DAY+7))" "$MONTH" "$YEAR"
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break
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else
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# NO HOLIDAY, PRINT
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printf '%02.0f.%02.0f.%s\n' "$DAY" "$MONTH" "$YEAR"
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fi
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break
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fi
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DAY=$(($DAY+1))
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done
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done
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