add rsync-backup script

backup.sh

@@ -0,0 +1,51 @@
+#!/bin/bash
+set -e
+set -x
+
+# backup.sh
+
+pre="/home/fschl"
+target="/media/driveBay/Backups"
+
+folders=( "Documents" #contains Org files
+          "Downloads"
+          "projects"
+        )
+
+folders_sensitive=( ".gnupg"
+                    ".mozilla"
+                    ".thunderbird"
+                    ".ssh"
+                  )
+
+files=( ".android"
+        ".gradle"
+        ".bash_history"
+        ".Clion2016.3"
+        ".revive.el"
+      )
+
+main() {
+    local cmd=$1
+
+    if [[ -z "$cmd" ]]; then
+        echo "Usage: \n std  | files | sensitive"
+    fi
+
+    case "$cmd" in
+        std)
+            for dir in "${folders[@]}";
+            do
+                if [ ! -d "${target}/${dir}" ]; then
+                    echo "creating non-existing dir: ${target}/${dir}"
+                    mkdir -p ${target}/$dir
+                fi
+                echo "${pre}/${dir} --> ${target}/${dir}"
+                rsync --progress -ruv "${pre}/${dir}" "${target}/"
+            done
+            ;;
+
+    esac
+}
+
+main "$@" 2>&1 | tee "${pre}/backup_$(date +%Y-%M-%d_%H-%M)_$1.log"