121 lines
4.8 KiB
Bash
Executable File
121 lines
4.8 KiB
Bash
Executable File
#!/bin/bash
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# Build instructions:
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# https://medium.com/@eplt/5-minutes-to-install-imagemagick-with-heic-support-on-ubuntu-18-04-digitalocean-fe2d09dcef1
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# Command:
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# https://zwbetz.com/convert-heic-images-to-jpg/
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red="$(tput setaf 1)"
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rst="$(tput sgr0)"
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# trap ctrl-c and call ctrl_c()
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# https://rimuhosting.com/knowledgebase/linux/misc/trapping-ctrl-c-in-bash
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trap ctrl_c INT
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function ctrl_c() {
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if [ $filecount -eq 0 ]; then printf "%s\n" "${rst}${red}exiting${rst}"
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else printf "\n%s\n%s\n\n" "${rst}${red}CTRL+C detected - this may have corrupted the most recent attempted file" "conversion. Please inspect the latest file and delete or retry as needed.${rst}"
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fi
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exit
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}
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padding=" "
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if [[ "${@}" == *"-h"* ]]; then
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printf "%s\n" "Command:"
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printf "$padding%s\n" "Converts heic files (Apple's native picture format) to either jpg (default)"
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printf "$padding%s\n" "or png (larger file size) for easier manipulation or sharing. Requires that"
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printf "$padding%s\n" "Imagemagick's mogrify tool be complied and installed with heic support. See"
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printf "$padding%s\n" "step 1 at https://dismy.link/heicmogrify for a brief install guide."
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printf "%s\n" "Command usage:"
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printf "$padding%-20s%s\n" "--dir [directory]" "Specify a directory other than current"
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printf "$padding%-20s%s\n" "-d --delete" "Delete original files (default keeps originals)"
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printf "$padding%-20s%s\n" "-q --quiet" "Suppresses progress output (summaries are still displayed)"
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printf "$padding%-20s%s\n" "[--png|--jpg]" "Save as jpg/png (default is jpg)"
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printf "$padding%-20s%s\n" "-h --help" "Print this help message and exit"
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exit 0
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fi
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# DEFAULTS
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# The folder with the files you want to convert
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directory="`pwd`"
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# Set to 0 to delete the original .heic files after they are converted
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keeporiginals=1
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# Set to 0 for PNG (much larger file size)
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saveasjpg=1
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# Suppress progress output
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keepquiet=0
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filecount=0
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customdir=0
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for _arg in ${@}; do
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if [ $customdir -eq 1 ]; then directory="$_arg"; customdir=2; continue; fi
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if [ "$_arg" == "--dir" ]; then customdir=1; continue; fi
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if [ "$_arg" == "-d" ]; then keeporiginals=0; continue; fi
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if [ "$_arg" == "--delete" ]; then keeporiginals=0; continue; fi
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if [ "$_arg" == "-q" ]; then keepquiet=1; continue; fi
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if [ "$_arg" == "--quiet" ]; then keepquiet=1; continue; fi
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if [ "$_arg" == "--png" ]; then saveasjpg=0; continue; fi
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if [ "$_arg" == "--jpg" ]; then saveasjpg=1; continue; fi
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done
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# Make sure the mogrify command is available. If this is being
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# run as a cron job the which command will fail so we check the
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# default location just in case.
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mymogrify=`which mogrify`
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which mogrify > /dev/null
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if [[ $? -eq 1 ]]; then
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if [[ -e "/usr/local/bin/mogrify" ]]; then
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mymogrify="/usr/local/bin/mogrify"
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else
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printf "%s\n" "Unable to locate the mogrify command. Please follow the build and"
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printf "%s\n" "installation guide at https://dismy.link/heicmogrify to install"
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printf "%s\n" "the ImageMagick mogfify tool on your system with heic support."
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exit 1
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fi
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fi
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# summary:
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printf "\n%s\n" "Summary:"
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printf "$padding%s\n" "Binary: $mymogrify"
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printf "$padding%s\n" "Directory: $directory"
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[ $keeporiginals -eq 0 ] && printf "$padding%s\n" "Originals: Delete" || printf "$padding%s\n" "Originals: Keep"
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[ $keepquiet -eq 0 ] && printf "$padding%s\n" "Output: Visible" || printf "$padding%s\n" "Output: Hidden"
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[ $saveasjpg -eq 0 ] && printf "$padding%s\n" "Save as: PNG" || printf "$padding%s\n" "Save as: JPG"
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printf "\n%s" "Press enter to begin or ^c to exit"
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read
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[ $saveasjpg -eq 0 ] && destformat="png" || destformat="jpg"
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# Loop over all the .heic files in the folder
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for heic in *.heic; do
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# Drop the .heic extension and append .jpg instead
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img=`echo "$heic" | rev | cut -d. -f2- | rev`.$destformat
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if [ -f "$img" ]; then [ $keepquiet -eq 0 ] && printf "%s\n" "Skipping $heic ($img exists)"
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else [ $keepquiet -eq 0 ] && printf "%s\n" "Converting $heic to $img"; fi
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[ -f "$img" ] || let filecount=filecount+1
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# If the file we are going to make does not exist, run the command to convert it
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if [ ! -f "$img" ]; then
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$mymogrify -format $destformat "$heic"
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mogrified=$?
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if [ $mogrified -ne 0 ]; then
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printf "\n%s\n\n" "${rst}${red}Encountered the above error while trying to mogrify. Exiting.${rst}"
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exit $mogrified
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fi
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fi
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# If we don't want the originals, give them the axe
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[ $keeporiginals -eq 0 ] && rm "$heic"
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done
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if [ $filecount -gt 0 ]; then
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if [ $filecount -eq 1 ]; then
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printf "\n%s\n\n" "Script complete. Converted $filecount heic file to $destformat"
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else
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printf "\n%s\n\n" "Script complete. Converted $filecount heic files to $destformat"
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fi
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else
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if [ $customdir -eq 2 ]; then
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printf "\n%s\n\n" "Found 0 heic files to convert. Are you sure you specified the right directory?"
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else
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printf "\n%s\n\n" "Found 0 heic files to convert. Are you sure you're in the right directory?"
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fi
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fi
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