first commit

backup_cosmicvoyage

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+#! /bin/bash
+
+SHIPS=~/ships
+BACKUP=~/backup-ships
+
+test -d $SHIPS || (echo "ships does not exit" ; exit 1)
+
+test -d $BACKUP || mkdir $BACKUP
+
+cd $SHIPS
+
+TS=`date -u +%Y-%m-%dZ%H:%M`
+
+TGZ="$BACKUP/ships-$TS.tar.gz"
+
+echo backing up $SHIPS to $TGZ
+
+tar cvfz $TGZ */*.txt */LICENSE
+
+test -f $TGZ && echo backup of file $TGZ was successful
+