From 2918281b78de57a5147a4c1061f4330b41438deb Mon Sep 17 00:00:00 2001
From: michael <michael@dismyserver.net>
Date: Mon, 4 Sep 2023 15:24:31 -0400
Subject: [PATCH] Added cleaned-up version of convertHEICtoJPG.sh script
 designed to be run interactively or via cron

---
 bash/jpg | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100755 bash/jpg

diff --git a/bash/jpg b/bash/jpg
new file mode 100755
index 0000000..8a56216
--- /dev/null
+++ b/bash/jpg
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# Build instructions:
+#  https://medium.com/@eplt/5-minutes-to-install-imagemagick-with-heic-support-on-ubuntu-18-04-digitalocean-fe2d09dcef1
+# Command:
+#  https://zwbetz.com/convert-heic-images-to-jpg/
+
+# trap ctrl-c and call ctrl_c()
+# https://rimuhosting.com/knowledgebase/linux/misc/trapping-ctrl-c-in-bash
+trap ctrl_c INT
+function ctrl_c() {
+ echo "${rst}${red}CTRL+C Detected, exiting.${rst}"
+ exit
+}
+
+padding="  "
+
+if [[ "${@}" == *"-h"* ]]; then
+ printf "%s\n" "Command usage:"
+ printf "$padding%-20s%s\n" "--dir [directory]" "Specify a directory other than current"
+ printf "$padding%-20s%s\n" "-d --delete" "Delete original files (default keeps originals)"
+ printf "$padding%-20s%s\n" "-q --quiet" "Suppresses progress output (summaries are still displayed)"
+ printf "$padding%-20s%s\n" "[--png|--jpg]" "Save as jpg/png (default is jpg)"
+ printf "$padding%-20s%s\n" "-h" "Print this help message and exit"
+ exit 0
+fi
+
+# DEFAULTS
+# The folder with the files you want to convert
+directory="`pwd`"
+# Set to 0 to delete the original .heic files after they are converted
+keeporiginals=1
+# Set to 0 for PNG (much larger file size)
+saveasjpg=1
+# Suppress progress output
+keepquiet=0
+
+customdir=0
+for _arg in ${@}; do
+ if [ $customdir -eq 1 ]; then directory="$_arg"; customdir=2; continue; fi
+ if [ "$_arg" == "--dir" ]; then customdir=1; continue; fi
+ if [ "$_arg" == "-d" ]; then keeporiginals=0; continue; fi
+ if [ "$_arg" == "--delete" ]; then keeporiginals=0; continue; fi
+ if [ "$_arg" == "-q" ]; then keepquiet=1; continue; fi
+ if [ "$_arg" == "--quiet" ]; then keepquiet=1; continue; fi
+ if [ "$_arg" == "--png" ]; then saveasjpg=0; continue; fi
+ if [ "$_arg" == "--jpg" ]; then saveasjpg=1; continue; fi
+done
+
+# summary:
+printf "\n%s\n" "Summary:"
+printf "$padding%s\n" "Directory: $directory"
+[ $keeporiginals -eq 0 ] && printf "$padding%s\n" "Originals: Delete" || printf "$padding%s\n" "Originals: Keep"
+[ $keepquiet -eq 0 ] && printf "$padding%s\n" "Output:    Visible" || printf "$padding%s\n" "Output:    Hidden"
+[ $saveasjpg -eq 0 ] && printf "$padding%s\n" "Save as:   PNG" || printf "$padding%s\n" "Save as:   JPG"
+printf "\n%s" "Press enter to begin or ^c to exit"
+read
+
+# Make sure the mogrify command is available. If this is being
+#  run as a cron job the which command will fail so we check the
+#  default location just in case.
+which mogrify > /dev/null
+if [[ $? -eq 1 ]]; then
+ if [[ ! -e "/usr/local/bin/mogrify" ]]; then
+  echo "Unable to run the mogrify command. Please follow the build and installation instructions at the top of the script to install the program on your system."
+  exit
+ fi
+fi
+
+filecount=0
+[ $saveasjpg -eq 0 ] && destformat="png" || destformat="jpg"
+# Loop over all the .heic files in the folder
+for heic in *.heic; do
+ # Drop the .heic extension and append .jpg instead
+ img=`echo "$heic" | rev | cut -d. -f2- | rev`.$destformat
+ if [ -f "$img" ]; then [ $keepquiet -eq 0 ] && printf "%s\n" "Skipping $heic ($img exists)"
+ else [ $keepquiet -eq 0 ] && printf "%s\n" "Converting $heic to $img"; fi
+ [ -f "$img" ] || let filecount=filecount+1
+ # If the file we are going to make does not exist, run the command to convert it
+ [ -f "$img" ] || /usr/local/bin/mogrify -format $destformat "$heic"
+ # If we don't want the originals, give them the axe
+ [ $keeporiginals -eq 0 ] && rm "$heic"
+done
+
+if [ $filecount -gt 0 ]; then
+ printf "\n%s\n\n" "Script complete. Converted $filecount heic files to $destformat"
+else
+ if [ $customdir -eq 2 ]; then
+  printf "\n%s\n\n" "Found 0 heic files to convert. Are you sure you specified the right directory?"
+ else
+  printf "\n%s\n\n" "Found 0 heic files to convert. Are you sure you're in the right directory?"
+fi