#!/bin/bash

# exctute

# ./mod.sh file_type input_folder output_folder

# ./mod.sh *.txt /tmp /data/

# paramater count

if [ ! $# -eq 3 ]; then

echo "[ERROR] error paramater."

exit

fi

# file type

file_type="${1}"

# input foloder

if [ -d "${2}" ]; then

folder="${2}"

else

echo "[ERROR] input folder is not exsit."

exit

fi

# output folder

if [ -d "${3}" ]; then

output="${3}"

else

echo "[ERROR] output folder is not exsit."

exit

fi

# search file

find ${folder} -name "${file_type}" | while read filename ;

do

# file type

file_type=`echo ${filename##*.}`

# file size

file_size=`stat "${filename}" | sed -n '2,1p' | awk '{print $2}' `

# file modify time

file_modify=`stat "${filename}" | sed -n '6,1p' | awk '{print $2, $3}' | sed -e 's/[-: ]//g' `

# output folder

path="${output}/${file_modify:0:6}"

if [ ! -d "${path}" ]; then

mkdir -p ${path}

echo "folder(${path}) is created . "

fi

# new file full name

new_file_name=`echo ${path}/${file_modify}_[${file_size}].${file_type}`

if [ ! -f "${new_file_name}" ]; then

mv "${filename}" "${new_file_name}"

else

echo "file(${new_file_name}) is exsit, can not be removed. "

fi

done

echo "finished !"

exit