Development/decompress.sh

   1 #!/bin/bash
   2
   3 # Will find all the archives in the current directory, extract the nested lua/archive files from them, and
   4 # then delete the archives. At least, that's what it's supposed to do. No promises.
   5
   6 SOURCE_FOLDER=LocalInput
   7 TEMP_FOLDER=./Temp
   8
   9 if [ -e "${TEMP_FOLDER}" ]; then
  10   rm -rf "${TEMP_FOLDER}"
  11 fi
  12
  13 mkdir -p "${TEMP_FOLDER}"
  14
  15 function doFile {
  16   if [ -e ${1} ]; then
  17     if [ -d ${1} ]; then
  18       find "${1}" | while read FILE; do
  19         if [ "${FILE}" != "${1}" ]; then
  20           doFile ${FILE}
  21         fi
  22       done
  23       rmdir ${1}
  24     else
  25       chmod -x "${1}"
  26
  27       HASH=`sha1sum -b "${1}" | sed -e 's/ .*//' -`
  28
  29       if [ $? != 0 ]; then
  30         echo "Error calculating hash for ${DFILENAME}."
  31         exit 1
  32       fi
  33
  34       TYPE=`file -b "${1}"`
  35
  36       case "${TYPE}" in
  37         *\ text*)        mv -f "${1}" "${SOURCE_FOLDER}/${HASH}.lua" ;;
  38         Zip\ archive*)   mv -f "${1}" "${SOURCE_FOLDER}/${HASH}.zip" ;;
  39         RAR\ archive*)   mv -f "${1}" "${SOURCE_FOLDER}/${HASH}.rar" ;;
  40         7-zip\ archive*) mv -f "${1}" "${SOURCE_FOLDER}/${HASH}.7z" ;;
  41         *)              echo "Ignoring '${1}'" ; rm "${1}" ;;
  42       esac
  43     fi
  44   fi
  45 }
  46
  47 find "${SOURCE_FOLDER}" | sort | while read FILENAME; do
  48   if [ "${FILENAME}" == "${SOURCE_FOLDER}" ]; then
  49     continue
  50   fi
  51
  52   echo "Scanning ${FILENAME}..."
  53
  54   # Can figure out text far faster, but doesn't give us the archive info. We do this first, and if it's not text, we try again in detail.
  55   # Why does this script even exist? Why don't we do this during download? Why don't we have an "uncompressed" staging area?
  56   TYPE=`file -b -e soft "${FILENAME}"`
  57
  58   case "${TYPE}" in
  59       UTF-8\ Unicode\ text) continue ;;
  60       UTF-8\ Unicode\ English\ text) continue ;;
  61       UTF-8\ Unicode\ text,\ with\ CRLF\ line\ terminators) continue ;;
  62       UTF-8\ Unicode\ English\ text,\ with\ CRLF\ line\ terminators) continue ;;
  63       ASCII\ English\ text) continue ;;
  64       ASCII\ English\ text,\ with\ CRLF\ line\ terminators) continue ;;
  65   esac
  66
  67   TYPE=`file -b "${FILENAME}"`
  68
  69   case "${TYPE}" in
  70       Zip\ archive*)   unzip "${FILENAME}" -d "${TEMP_FOLDER}" ;;
  71       RAR\ archive*)   unrar e -o- "${FILENAME}" "${TEMP_FOLDER}/" ;;
  72       7-zip\ archive*) 7z e "-o${TEMP_FOLDER}" "${FILENAME}" ;;
  73       *) continue ;;
  74   esac
  75
  76   if [ $? != 0 ]; then
  77     echo "${FILENAME} is not an archive."
  78     continue
  79   fi
  80
  81   echo "Processing ${FILENAME}..."
  82
  83   find "${TEMP_FOLDER}" | while read DFILENAME; do
  84     if [ "${DFILENAME}" != "${TEMP_FOLDER}" ]; then
  85       doFile "${DFILENAME}"
  86     fi
  87   done
  88
  89   rm "${FILENAME}"
  90 done
  91
  92 rm -rf "${TEMP_FOLDER}"
  93
  94 echo "Finished."
  95 sleep 5
  96 exit 0