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crontabbackupdaily/README.md

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+### crontab backup daily
+Simple backup script for everyday cron execution.
+After execution `crontab -e` add new line to crontab schedule:
+```
+@daily sh /home/user/backup.sh
+```

crontabbackupdaily/backup.sh

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+#!/bin/bash
+# simple backup script for everyday cron execution
+# after execution `crontab -e` add new line to crontab schedule:
+# @daily sh /home/user/backup.sh
+
+# files and dirs for backup:
+backups[0]=/home/user/some.file
+backups[1]=/home/user/somedir
+# dir for archives:
+SAVEDIR=/home/user/archive/
+# number of days for backup
+DAYS=5
+WEEKS=10
+
+# create archive with file name 'arc.tar.gz'
+tar -cvzf ${SAVEDIR}arc.tar.gz ${backups[*]}
+
+# save last WEEKS
+if [ -e ${SAVEDIR}arc-w1.tar.gz ]
+then
+    oneweek=${SAVEDIR}arc-w1.tar.gz
+    oneweekripen=`find ${SAVEDIR}arc-w1.tar.gz -type f -mtime +10`
+    echo $oneweek
+    echo $oneweekripen
+    if [ "$oneweek" = "$oneweekripen" ]
+    then
+        for ((a=WEEKS; a >= 2 ; a--))
+        do
+            let b=a-1
+            mv ${SAVEDIR}arc-w${b}.tar.gz ${SAVEDIR}arc-w${a}.tar.gz
+        done
+        mv ${SAVEDIR}arc-d5.tar.gz ${SAVEDIR}arc-w1.tar.gz
+    fi
+else
+    mv ${SAVEDIR}arc-d5.tar.gz ${SAVEDIR}arc-w1.tar.gz
+fi
+
+# save last DAYS
+for ((a=DAYS; a >= 2 ; a--))
+do
+    let b=a-1
+    mv ${SAVEDIR}arc-d${b}.tar.gz ${SAVEDIR}arc-d${a}.tar.gz
+done
+mv ${SAVEDIR}arc.tar.gz ${SAVEDIR}arc-d1.tar.gz
+
+exit 0