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#!/bin/bash
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# Batch convert multiple Magic Lantern dual ISO image files on Linux
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# Copyright (C) 2017 Pekka Helenius
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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###############################################
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# NOTE: This script REQUIRES a patched cr2hdr tool with '--dry-run' parameter support!!
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# Required patch file is provided in the same repository with this script
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#Brackets and quotation marks in variables prevent errors occuring if file paths with spaces is used.
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################################################################################################
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# File system check
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# We don't allow writing to SD card.
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#Sed is here to remove any trailing spaces and crap like blank lines
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INPUT_FILESYSTEM=$(df -h "${1}" | awk -F ' ' 'FNR> 1 {print $1}' | grep -i -E "/dev/sd?|/dev/hd?|?rewritefs|?tmpfs|/dev/nvme?" | sed '/^\s*$/d' | wc -l)
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if [[ "${INPUT_FILESYSTEM}" -eq 0 ]]; then #if input file (first file printed in bash) filesystem does not start with /dev/sdX
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kdialog --error "Image(s) are in a SD Card. Please move them your local or external storage and try again."
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exit
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fi
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################################################################################################
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#We get the directory just from the first filename. Pwd should be easier, but bugged, so...
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INPUT_DIR=$(dirname "${1}")
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DIR_BASENAME=$(echo "${INPUT_DIR}" | rev | cut -d/ -f 1 | rev)
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echo "DEBUG: Input dir is $INPUT_DIR"
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mkdir -p "${INPUT_DIR}"/converted_dual_iso
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echo "DEBUG: 'converted_dual_iso' directory created"
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############################################################################################
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####PROGRESSBAR STUFF - BEGIN
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LABELTEXT='Processing RAW images...'
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numargs=$# # Number of all files
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tics=100 # Percentage tics
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inc=0 # Current file number
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mltp=1000 # Percentage multiplier for bash
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dbusRef=$(kdialog --title "Dual ISO (folder: ${DIR_BASENAME})" --progressbar "$LABELTEXT" $tics)
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qdbus $dbusRef showCancelButton true
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####PROGRESSBAR STUFF - END
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while [[ $# -gt 0 ]] && [[ $(qdbus $dbusRef wasCancelled) == "false" ]]; do
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INPUT="${1}" #Input file path, full path like: /home/myhome/IMG_4021.CR2
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OLDFILE_CR2=$(basename "${INPUT}") #Output as IMG_4021.CR2 (for example)
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# Once we do this, it's very clear which kind of CR2 file we're talking about here.
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NEWFILE_CR2=$(basename "${INPUT}" | sed 's/\.\w*$/_dualiso.CR2/')
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# Converted Dual ISO file.
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NEWFILE_DNG=$(basename "${INPUT}" | sed 's/\.\w*$/_dualiso.DNG/')
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#If converted Dual ISO exists already, we skip the conversion process. This passes only if the file doesn't exist.
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if [[ ! -e "${INPUT_DIR}"/converted_dual_iso/"${NEWFILE_DNG}" ]]; then
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if [[ $(cr2hdr --dry-run "${INPUT}" | grep "Interlaced ISO detected" | wc -l) == 1 ]]; then # Test an input file for Dual ISO.
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echo "Interlaced ISO detected: ${OLDFILE_CR2}"
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#Rename detected dual ISO CR2 file with a proper prefix (so that we can distinguish Dual ISO images from "normal" CR2 files)
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mv "${INPUT_DIR}"/"${OLDFILE_CR2}" "${INPUT_DIR}"/"${NEWFILE_CR2}"
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#Input we will use from this point is the renamed file, so we set INPUT variable to point to the renamed file.
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INPUT="${INPUT_DIR}"/"${NEWFILE_CR2}"
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cr2hdr --process "${INPUT}" # Process a valid input file.
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mv "${INPUT_DIR}"/"${NEWFILE_DNG}" "${INPUT_DIR}"/converted_dual_iso/ # Move converted Dual ISO.
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# Add Subject=Dual-ISO tag for every Dual ISO CR2 file.
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echo "Writing new EXIF/XMP tag Subject: Dual ISO CR2"
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exiftool -xmp:subject='Dual ISO CR2' "${INPUT_DIR}"/"${NEWFILE_CR2}" -overwrite_original
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fi
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fi
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##############################################
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####PROGRESSBAR STUFF - BEGIN
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let inc++
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#Percentage needs to be calculated like this due to bash rounding limitations...
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PERCENT_VALUE=$((($mltp*$tics)/(200*$numargs/$inc % 2 + $mltp*$numargs/$inc)))
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#Output: 20, 40, 59, 80, 100 etc.
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qdbus $dbusRef Set "" "value" $PERCENT_VALUE;
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qdbus $dbusRef setLabelText "$LABELTEXT ($inc/$numargs)";
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####PROGRESSBAR STUFF - END
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shift #Process next CR2/DNG file...
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done
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##############################################
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#Close processing window if cancelled event has been triggered.
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####PROGRESSBAR STUFF - BEGIN
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# If the process was cancelled, remove tmp file and exit the script.
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if [[ ! $(qdbus $dbusRef wasCancelled) == "false" ]]; then
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exit
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fi
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##############################################
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#Close processing window if not cancelled and processing finished.
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qdbus $dbusRef close
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####PROGRESSBAR STUFF - END
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##############################################
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if [ $(pgrep -x 'cr2hdr' | wc -l) == 0 ]; then
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notify-send 'Dual ISO' -i image-x-krita 'Conversion done!'
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fi
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############################################################################################
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QUESTCOUNT=0 #Ask this question only once
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#Dual ISO (Subject only defined in converted Dual ISO DNG images)
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for i in $(find "${INPUT_DIR}" -maxdepth 1 -type f -iname "*.DNG"); do
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if [[ ! -z $(echo -n $i) ]] && [[ $(exiftool $i |grep --max-count=1 "Subject" | sed -e 's/.*: //g') == *"Dual-ISO"* ]] ; then
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if [[ $QUESTCOUNT == 0 ]]; then
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QUESTION=$(kdialog --yesno "More Dual ISO files detected in '$(echo ${INPUT_DIR} | rev | cut -d/ -f1 | rev)' main folder. Do you want to move these files into 'converted_dual_iso' folder?";)
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echo $QUESTION
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MOVEALL=true
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let QUESTCOUNT++
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else
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MOVEALL=false
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fi
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if [[ $MOVEALL == true ]]; then
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mv $i "${INPUT_DIR}"/converted_dual_iso/
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echo "DEBUG: all detected Dual ISO images moved to 'converted_dual_iso' folder"
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fi
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fi
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done
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############################################################################################
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#If there are no files converted, we delete converted_dual_iso folder
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if [[ $(ls "${INPUT_DIR}"/converted_dual_iso | wc -l) == 0 ]]; then
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rm -Rf "${INPUT_DIR}"/converted_dual_iso
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echo "DEBUG: 'converted_dual_iso' empty, so deleted"
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fi
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exit
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