[Bash] find and backup files

Similar to previous post Check and backup but using the command of find. Also won't create the extra empty folders when backing up files with specified type.

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#!/bin/bash # to check whether the target folder contains same files as the source folder # Usage: #           findback.sh -s source_folder -t target_folder -name name_pattern -type filetype -copy #     e.g., #           findback.sh -s /mnt/mywork/mfiles -t /mnt/mybackup/mfiles -type f -name '*.m' -copy -sub #                             type: f--> regular file; d--> directory; l--> symbolic link [man find] #copyright @ http://scriptdemo.blogspot.com isSource=0 isTarget=0 isFiletype=0 isCopy=0 isSubFolder=0 isName=0; while [ $# -gt 0 ]; do      case $1 in        -t|-target)          [ ! -d $2 ] && echo " target folder: $2 does not exist" && exit          isTarget=1          tFolder=`echo $2 | sed 's/\/$//'`          shift;shift;          ;;        -s|-source)          [ ! -d $2 ] && echo " source folder: $2 does not exist" && exit          isSource=1          sFolder=`echo $2 | sed 's/\/$//'`          shift;shift;          ;;        -p|-pattern|-name)          isName=1;          namepattern=$2          shift; shift;          ;;        -filetype|-type)          isFiletype=1          filetype=$2          if [ ${filetype} != 'f' ] && [ ${filetype} != 'd' ] && [ ${filetype} != 'l' ]; then             echo "type option: ${filetype} is not supported yet"             exit          fi          shift;shift;          ;;        -copy|-COPY|-cp)          isCopy=1          shift          ;;        -sub|-all|-subfolder|-deeper)          isSubFolder=1          shift          ;;        *)         echo "unkown option: $1"         shift         ;;     esac done [ ${isName} -eq 0 ] && echo "-name option missing: No name-pattern is specified" && exit if [ ${isSource} -eq 0 ] && [ ${isTarget} -eq 0 ] ; then    echo "Usage: findback.sh -s source_foler -t target_folder -name name-pattern -type f -copy -sub"    echo " type: f--> regular file; d--> directory; l--> symbolic link"    exit fi if [ ${isSource} -eq 0 ] && [ ${isTarget} -eq 1 ]; then    sFolder=${PWD}    echo "--------------------------------------------"    echo "| source folder is set to current folder: $PWD"    echo "--------------------------------------------" fi if [ ${isSource} -eq 1 ] && [ ${isTarget} -eq 0 ]; then    tFolder=${PWD}    echo "--------------------------------------------"    echo "| target folder is set to current folder: $PWD"    echo "--------------------------------------------" fi if [ ${isFiletype} -eq 0 ]; then    filetype='f' fi if [ ${isSubFolder} -eq 1 ]; then    eval "mylist=( `find ${sFolder} -type ${filetype} -name "${namepattern}" 2< /dev/null` )" else    eval "mylist=( `find ${sFolder} -maxdepth 1 -type ${filetype} -name "${namepattern}" 2< /dev/null` )" fi sFoldersed=`echo ${sFolder} | sed 's/\//\\\\\//g'` tFoldersed=`echo ${tFolder} | sed 's/\//\\\\\//g'` if [ ${#mylist} -gt 0 ]; then    for fln in ${mylist[*]}    do       eval "tfln=\`echo ${fln} | sed 's/${sFoldersed}/${tFoldersed}/'\`"       if [ ${filetype} == 'f' ] || [ ${filetype} == 'l' ]; then          # get the path first          tflpath=`dirname ${tfln}`          if [ ! -d ${tflpath} ]; then             if [ ${isCopy} -eq 0 ]; then                echo -e "[testing] CREATE:\n[testing] mkdir -p ${tflpath}"             else                eval mkdir -p "${tflpath}"             fi          fi          if [ -e ${tfln} ]; then             isDiff=`diff -bB "${fln}" "${tfln}"`             if [ ${#isDiff} -gt 0 ]; then                if [ ${isCopy} -eq 1 ]; then                  echo -e "DIFF: ${tfln} is modified! copying...\n"                  eval cp -f "${fln}" "${tfln}"                else                  echo "[testing] DIFF: ${fln} is modified!"                fi             fi          else             if [ ${isCopy} -eq 1 ]; then                echo -e " copy: ${tfln} does not exist copying...\n"                eval cp -f "${fln}" "${tfln}"             else                echo -e "[testing] copy: ${tfln} does not exist\n"             fi          fi       elif [ ${filetype} == 'd' ]; then            if [ ! -d ${tfln} ]; then               if [ ${isCopy} -eq 0 ]; then                  echo -e "[testing] CREATE:\n[testing] mkdir -p ${tfln}"               else                  echo -e "CREATE:\n mkdir -p ${tfln}"                  mkdir -p "${tfln}"               fi            fi       fi    done else    echo "Nothing is found!"    exit fi

[Bash] Check and backup files in two different folders

#!/bin/bash # to check whether the target folder contains same files as the source folder #     with an option to back the file not existing in target folder. #     More actions could be done for the modified ones in the future #     Also nothing is done to sub-folders so far. # Usage: #    CheckDiff.sh -s source_folder -t target_folder -type filetype -copy # e.g., #    CheckDiff.sh -s /mnt/mywork/mfiles -t /mnt/mybackup/mfiles -type m -copy # Update: #            oct 25, 2011: #                                  consider file name with space #                                  copy sub-folders if not exist #                                  add debug option to show the filenames [-debug] #                                  add option to check inside of existing sub-folders [-sub] #            oct 26, 2011: #                                 automatically creating sub-folders if filetype is specified #                                 test-mode [-test] #                                 redirect the error msgs [2< /dev/null]  #                     Future:  #                                check modified date to handle modified files #                                Simple GUI                 #copyright @ http://scriptdemo.blogspot.com isSource=0 isTarget=0 isFiletype=0 isCopy=0 isDebug=0 isSubFolder=0 isTest=0 optstr="" while [ $# -gt 0 ]; do      case $1 in        -t|-target)          [ ! -d $2 ] && echo " target folder: $2 does not exist" && exit          isTarget=1          tFolder=`echo $2 | sed 's/\/$//'`          shift;shift;          ;;        -s|-source)          [ ! -d $2 ] && echo " source folder: $2 does not exist" && exit          isSource=1          sFolder=`echo $2 | sed 's/\/$//'`          shift;shift;          ;;        -filetype|-type)          isFiletype=1          filetype=$2          optstr="${optstr} -filetype ${filetype}"          shift;shift;          ;;        -copy|-COPY|-cp)          isCopy=1          optstr="${optstr} -cp"          shift          ;;        -d|-debug|-D)          isDebug=1          optstr="${optstr} -debug"          shift          ;;        -sub|-all|-subfolder|-deeper)          isSubFolder=1          optstr="${optstr} -sub"          shift          ;;        -test|-TEST)          isTest=1          optstr="${optstr} -test"          shift          ;;        *)         echo "unkown option: $1"         shift         ;;     esac done if [ ${isSource} -eq 0 ] && [ ${isTarget} -eq 0 ]; then    echo "Usage: CheckDiff.sh -s source_folder -type filetype -t target_folder [-copy]"    exit fi if [ ${isSource} -eq 0 ] && [ ${isTarget} -eq 1 ]; then    sFolder=${PWD}    echo "--------------------------------------------"    echo "| source folder is set to current folder: $PWD"    echo "--------------------------------------------" fi if [ ${isSource} -eq 1 ] && [ ${isTarget} -eq 0 ]; then    tFolder=${PWD}    echo "--------------------------------------------"    echo "| target folder is set to current folder: $PWD"    echo "--------------------------------------------" fi if [ ${isFiletype} -eq 0 ]; then    filetype='*' else    filetype0=`echo ${filetype} | sed -e 's/^\*\.//'`    filetype="*.${filetype0}"; unset filetype0 fi if [ ${isSubFolder} -eq 1 ]; then    if [ ${filetype} != '*' ]; then       eval "folderLev0=( `ls -d ${sFolder}/*/ 2< /dev/null | awk -F/ '{print $(NF-1)}'` )"       eval "fileLev0=( `ls ${sFolder}/${filetype} 2< /dev/null | awk -F/ '{print $NF}'` )"       eval "mylist=( ${folderLev0[*]} ${fileLev0[*]} )" && unset foldeLev0 fileLev0    else       eval "mylist=( `ls ${sFolder}/ 2< /dev/null ` )"       isFiletype=0    fi else    if [ ${filetype} != '*' ]; then       eval "mylist=( `ls ${sFolder}/${filetype} 2< /dev/null | awk -F/ '{print $NF}'` )"    else       eval "mylist=( `ls ${sFolder}/ 2< /dev/null` )"       isFiletype=0    fi fi if [ ${#mylist} -gt 0 ]; then    [ ${isDebug} -eq 1 ] && echo -e "\nmylist: \n ${mylist[*]}\n"    for fln in ${mylist[*]}    do       fname="${sFolder}/${fln}"       [ ${isDebug} -eq 1 ] && echo "fname=${fname}"       if [ -d "${fname}" ]; then          if [ ! -d "${tFolder}/${fln}" ]; then             echo "${fln} does not exist in ${tFolder}"             if [ ${isCopy} -eq 1 ]; then                if [ ${isFiletype} -eq 1 ]; then                   echo " |- creating ${tFolder}/${fln}..........."                   if [ ${isTest} -eq 1 ]; then                      echo " |- mkdir -p ${tFolder}/${fln}"                      echo " |- digging deeper into ${sFolder}/${fln}........"                      echo " |- CheckDiff.sh -s ${sFolder}/"${fln}" -t ${tFolder}/"${fln}" ${optstr}"                      echo " "                   else                      eval "mkdir -p ${tFolder}/${fln}"                      [ ${isDebug} -eq 1 ] && echo " |- digging deeper into ${sFolder}/${fln}........"                      [ ${isDebug} -eq 1 ] && echo -e " |- CheckDiff.sh -s ${sFolder}/"${fln}" -t ${tFolder}/"${fln}" ${optstr}"                      eval CheckDiff.sh -s ${sFolder}/"${fln}" -t ${tFolder}/"${fln}" ${optstr}                    fi                else                   echo " copying whole folder..........."                   if [ ${isTest} -eq 1 ]; then                      echo "cp -r ${fname} ${tFolder}"                   else                      eval "cp -r "${fname}" ${tFolder}"                   fi                fi             else                echo "OMIT: ${fname} is a folder...."             fi          else             if [ ${isSubFolder} -eq 0 ]; then                echo "OMIT: ${fln} is a folder...."             else                [ ${isDebug} -eq 1 ] && echo " digging deeper into ${sFolder}/${fln}........"                if [ ${isFiletype} -eq 1 ]; then                   [ ${isDebug} -eq 1 ] && echo -e " |- CheckDiff.sh -s ${sFolder}/${fln} -t ${tFolder}/${fln} ${optstr}\n"                   eval "CheckDiff.sh -s ${sFolder}/"${fln}" -t ${tFolder}/"${fln}" ${optstr}"                else                   [ ${isDebug} -eq 1 ] && echo -e " |- CheckDiff.sh -s ${sFolder}/${fln} -t ${tFolder}/${fln} ${optstr}\n"                   eval "CheckDiff.sh -s ${sFolder}/"${fln}" -t ${tFolder}/"${fln}" ${optstr}"                fi             fi          fi       else          if [ -e ${tFolder}/"${fln}" ]; then             isDiff=`diff -bB "${tFolder}/${fln}" "${tFolder}/${fln}"`             if [ ${#isDiff} -gt 0 ]; then                echo "DIFF: $fln is modified."                #consider to make a new copy             fi          else             if [ ${isCopy} -eq 0 ]; then                echo "COPY: ${fln} does not exist in ${tFolder}"             else                echo -e "ALERT: ${fln} does not exist in ${tFolder} --copying....."                if [ ${isTest} -eq 1 ]; then                   echo "cp "${fname}" ${tFolder}"                else                   eval "cp "${fname}" ${tFolder}"                fi             fi          fi       fi    done fi