Colorful backups

backup.sh

#!/usr/local/bin/zsh -e
# Fri Mar 20 03:01:41 CET 2015
# [email protected] (c) MMXV
zmodload -F zsh/stat b:zstat
test `which lolcat` && alias -g RAINBOW="|lolcat" || alias -g RAINBOW=""
test ! $BACKUPDIR && BACKUPDIR=backups
echo -e "\e[1;37mcreating backups ...\e[0m"
for f in $@; do
  backupdir=$BACKUPDIR/`zstat -F '%Y/%m/%d' +mtime -- $f`
  backupfile=$backupdir/$f.`date +%Y%m%d`.tar.bz
  test -d $backupdir || mkdir -p $backupdir
  tar cjpf $backupfile $f && du -k $backupdir/*(.om[1]) | awk '{printf "%10s %s\n", $1, $2}' RAINBOW
done && echo done