#!/bin/bash

# author: markus tornow
# date: Fri Jul  9 23:44:50 CEST 2010
# name: move_old
# path: ~/bin
#### #### #### ####
# usage: $0 *<file-ending-pattern_0> *<file-ending-pattern_n>
# Don't forget the * in front of the file-endings you add :-=

clear; date; echo

# VARIABLES
###################

EXCLUDE="$0"
OLD_DIR=old-$(date +%y-%m-%d)
OLD="old"
INDEX=0

# Check if all parameters are given
# minimum is one in the form of *<pattern>
###########################################

if [ "$#" -eq 0 ]
then
    echo "
    Usage is: "$0" *<pattern_0> *<pattern_n>
    With pattern being what you want to move to old
"
fi
####################################################
# Check for a backup directory, called old_timestamp
# Avoid an error by omitting its creation in case it
# exists
# VARs
#####################################################

if [[ -d  $OLD/$OLD_DIR ]]
then
    mv "$OLD/$OLD_DIR" "$OLD/$OLD_DIR-$INDEX"
    ((INDEX+=1))
    mkdir "$OLD_DIR"
else
    mkdir "$OLD_DIR"
fi

if ! [[ -d $OLD ]]
then
	mkdir "$OLD"
fi

###########################################
# Create  a FUNKTION,
# to double-check with a dry run (with echo)
# if all is cool
############################################

function ask_for {
echo -n "
    do you want to move on (yes or no): "
read answer
if [[ $answer = yes  ]] || [[ $answer = y ]]
then
    echo "
    ok
    "
else
    echo "
    check whats wrong
    "
    exit 1
fi
}

####################
# dry run
####################

for pattern in "$@"
do
    if ! [[ $pattern =~ $EXCLUDE ]] || ! [[ $pattern = OLD ]]
    then
         echo "$pattern"
    fi
done

ask_for
# in case user answer no
# nothing will be moved

#####################
# The final command
#####################

for pattern in "$@"
do
    if ! [[ $pattern =~  $EXCLUDE ]]
    then
         mv  $pattern $OLD_DIR
    fi
done

mv $OLD_DIR $OLD

exit 0