14 lines
496 B
Bash
14 lines
496 B
Bash
#!/bin/bash
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#We can work out if the day of the week with date +%a Mon Tue Wed Thu Fri Sat Sun
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DAY=$(date +%a)
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FILE=data
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SNAR=${FILE}.snar
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TAR=~/${FILE}.${DAY}.tar.gz
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#If it is Monday we need to make sure that we start with a new snar file to ensure full #backup
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#If the snar file is there it is renamed with a date extension of the previous Monday
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if [ $DAY = 'Mon' ]
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then
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test -e ~/$SNAR && mv $SNAR ${SNAR}.$(date --date '7 days ago' +%F)
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fi
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tar -czg ~/$SNAR -f $TAR ~/$FILE |