add backup script

dobackup

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+##################################################################
+# does backups (duh.) with rsync, either local or remote via ssh  
+# sources the file given as first parameter and acts accordingly
+# example file:
+#
+# precommand="echo Yippee ki-yay"
+# postcommand="echo done"
+# remote=true
+# sshUserHost="foo@bar.org"
+# 
+# files="
+# /etc
+# /some/other/folder
+# /some/file.sh
+# "
+#
+##################################################################
+
+
+name=`basename $1`
+source $1
+
+timestamp=`date +"%Y%m%d-%H%M"`
+dest="$HOME/backups/$name-$timestamp"
+
+if [ "$remote" = true ]; then
+    if [ -z "$sshUserHost" ]; then
+        echo "ssh data not complete, needs sshUserHost"
+        exit 1
+    else
+        command="rsync -avzR -e ssh $sshUserHost:"
+    fi
+else
+    command="rsync -avR "
+fi
+
+echo "$precommand"
+eval ${precommand}
+
+for file in $files; do
+    fullcommand="$command$file $dest"
+    echo "$fullcommand"
+    if [ "$remote" = true ]; then
+        $fullcommand
+    else
+	$fullcommand || exit 1
+    fi
+done
+
+echo "$postcommand"
+eval ${postcommand}