movesync.sh

#!/bin/bash

sumfile_source="/tmp/md5sum_remote.txt"
sumfile_current="/tmp/md5sum_current.txt"

dir_current="/tmp/a_current"
dir_new="/tmp/a_new"

cat $sumfile_source | while read line; do
    ### md5
    sum=${line:0:32}
    filename=${line:34}
    filename_current=""

    # ### sha1
    # sum=${line:0:40}
    # filename=${line:42}

    # ### sha256
    # sum=${line:0:64}
    # filename=${line:66}

    if [ ! -e "${dir_new}/${filename}" ]; then
        # check in the "current" dir
        a=`cat $sumfile_current | grep -E "^${sum}  " | cut -d ' ' -f 3- | head -n 1`

        if [ "$a" != "" ] &&[ -e "${dir_current}/${a}" ]; then
            filename_current="${dir_current}/${a}"
            move=1
        else
            # check if a file with this sum was already moved
            a=`cat $sumfile_source | grep -E "^${sum}  " | cut -d ' ' -f 3- | head -n 1`

            if [ "$a" != "" ] && [ -e "${dir_new}/${a}" ]; then
                filename_current="${dir_new}/${a}"
                move=0
            fi
        fi

        if [ "$filename_current" == "" ]; then
            echo "WARNING: \"$sum  $filename\": missing from \"current\" and \"new\" location, skipping."
            continue
        fi

        # echo "${filename_current} -> ${dir_new}/${filename}"

        dir=`dirname "${dir_new}/${filename}"`
        mkdir -p "${dir}"

        if [ $move == 1 ]; then
            mv -v "${filename_current}" "${dir_new}/${filename}"
        else
            cp -xarv "${filename_current}" "${dir_new}/${filename}"
        fi
    fi
done